Cellular Pathology Service Background

The Department of Cellular Pathology provides a diagnostic histopathology, cytopathology, muscle biopsy, electron microscopy, molecular pathology, post mortem and mortuary service to internal users (other Trust departments e.g. surgery) as well as external users (GPs, dental and private practices). The Department also incorporates the Tissue services for the Trust; this department is responsible for managing and ensuring compliance of the licensable activities which falls under the HTA Human Application Sector, this includes procurement, testing, storage, traceability, disposal and distribution of human tissue and cells for therapeutic use.

Cellular Pathology Department operates within the Quality Management System of the Clinical Laboratory Services and is led by both a consultant medical Clinical Service Lead and a technical Service Manager. Cellular Pathology participates fully in UK NEQAS External Quality Assurance schemes where appropriate.  The Laboratory works to ISO 15189 requirements and is assessed by UKAS to evaluate compliance.  The vast majority of equipment, procedures and tests offered by the Department of Cellular Pathology are included in the UKAS scope of Accreditation seen here: http://www.ukas.com/.  Some non-accredited tests may also be used to support diagnostic tests and these are mainly reflected in stains, antibodies and associated platforms that are currently under assessment by UKAS for potential additions to the scope of laboratory testing.  Whilst there is no major change in tests performed in Cellular Pathology, there is however a major GenMed/Agilent modernisation of the laboratory equipment.  H&Es, stains and antibodies performed on these newer Agilent platforms are not currently accredited tests.  The repertoire and this website will be updated in terms of accredited tests following the outcome of the next UKAS assessment visits during January 2020.

Cellular pathology processes over 35,000 Histopathology 4,000 Cytopathology and approx. 50 post mortem cases/year.  The routine repetoire includes specialist renal, liver, muscle and nerve processing and reporting and a well established electron microscopy service.  The request for is found here: https://www.uhb.nhs.uk/Download Request Form Cell Path

The Department provides a comprehensive pathology service to the Trust, South Birmingham Community and Mental Health Trusts, Private Hospitals, General Practitioners and General Dental Practitioners.  The Department is open Mon-Fri between 08:00 and 18:00 and on Sunday 07:00-11:00. A specialist/expert referral service is also provided to hospitals in the West Midlands, nationally and to international clients.

Laboratory Personnel - Department of Cellular Pathology at QEHB. These are as follows and will be further updated with an integrated cross site UHB Cellular Pathology structure in due course::

 
Clinical Service Lead - Cellular Pathology  
Dr Shalini Chaudhri (Consultant Pathologist)

0121 371 3347 (DDI: 13347) or  This email address is being protected from spambots. You need JavaScript enabled to view it.

Human Tissue Authority Designated Individual  
Dr Rachel Brown (Post Mortem Licence)

0121 371 3339 (DDI:13339) or This email address is being protected from spambots. You need JavaScript enabled to view it.

Cellular Pathology - Head Biomedical Scientist  
Martin Collard

0121 371 3343 (DDI: 13343) or This email address is being protected from spambots. You need JavaScript enabled to view it. 

Deputy Head Biomedical Scientist  
Daniel Kearns

0121 371 3352 (DDI: 13352) or This email address is being protected from spambots. You need JavaScript enabled to view it.

Deputy Head Biomedical Scientist  
Becci Taylor

0121 371 3336 (DDI: 13336) or This email address is being protected from spambots. You need JavaScript enabled to view it.

Electron Microscopy / Muscle Service  
Dr Liz Curtis Clinical Scientist 0121 371 5721 / 5720 (DDI: 15721 / 15720) or This email address is being protected from spambots. You need JavaScript enabled to view it.
Ferhana Maqsood (Muscle Service) 0121 371 5720 (DDI: 15720)
Mortuary Manager  
Peter Cockcroft (new cross site role from June 2020, following retirement of previous post holder)

0121 424 2197 or This email address is being protected from spambots. You need JavaScript enabled to view it.

or via Histopathology Manager (above)

Tissue Services  
Julie Dulson

0121 371 6838 (DDI:16838) or This email address is being protected from spambots. You need JavaScript enabled to view it.,uk

Quality Lead  
Helen Stokes

0121 371 3344 (DDI: 13344) or This email address is being protected from spambots. You need JavaScript enabled to view it.

Health and Safety  
Lee Robertson

0121 371 3314 (DDI: 13314) or This email address is being protected from spambots. You need JavaScript enabled to view it.

Training Lead

0121 371 3314 (DDI: 13314) or This email address is being protected from spambots. You need JavaScript enabled to view it.

 Specimen Reception   Ext. or external 0121 371 5990 
 Departmental Direct line   0121 371 6516 
 E-Mail   

Service Background

The Department operates within the Quality Management System of the Clinical Laboratory Services and is led by both a consultant medical Clinical Service Lead and a technical Service Manager. Cellular Pathology participates fully in UK NEQAS External Quality Assurance where appropriate.

Consultant Pathologists

Cellular Pathology currently employs 18 consultant pathologists who cover a broad spectrum of clinical specialities and are available to offer clinical advice and interpretation of results if required.

 

General  Specimen Requirements

Due to the wide range of cellular pathology specimens several key container types exist as follows :

Specimen Type

Container

Small specimens

 

Biopsies and small resection e.g. skin ellipses, appendicies.

 

Yellow Topped 60 mL Containers

 

Large specimens

 

Suitable for larger specimens e.g. gall bladders, larger skin resections femoral heads These pots are also suitable for biopsy specimens where the tissue is adhered to glass microscope slides

350 mL White Topped “Honey Pots”

Large resection specimen’s

e.g. bowel, heart, breast tissue.

 

Specimen buckets without fixative / dry- Fixative is supplied to theatres from pharmacy and is added to the container with the specimen prior to sending to the histology laboratory.

“Mega” Specimen Buckets

Large anatomical or specimen resections e.g. large sarcomas.

The buckets should be collected from cellular pathology in advance of the surgery taking place. Specimens MUST NOT be placed into yellow clinical waste bags or Griff Bins as these WILL NOT be opened by laboratory staff and should ONLY be used for the incineration of clinical waste.

Dry Samples (Within Lab hours only)

Dry samples sent to the lab

e.g. 100k Genomic Project, frozen sections; MOHS samples: lymph nodes; Research projects

Specimen buckets, 60ml pots /

Theatre Tissue Safe system for 100k genome samples

Cytopathology Specimens

Urine

Whole volume urines

Jerry can +/- cytospin collection fluid or a universal container.

Smears kits

 

Microscope slides; slide carriers; spray fix and cytorich red needle wash containers.

Serous Fluids/ Sputum/ respiratory fluids

 

Universal Containers

Adequate fixation of tissue and appropriate processing are imperative to get the best possible diagnostic sections from tissue. The process from receipt to slides being available for diagnosis can take anywhere from several hours (in the case of small fragments of rapidly processed tissue e.g. renal biopsies) to several days (for larger specimens which take longer for the fixative to penetrate or for hard tissues which require decalcification prior to processing). For this reason specimen turnaround times are hugely variable and the specimen type and size should always be kept in mind if a report is not immediately available.

 Specimens are collected at regular intervals from theatres and all relevant departments via portering services. Urgent and unfixed (dry/not in formalin) specimens should NOT be left until the next routine collection – telephone portering services and arrange for a member of staff to bring the sample(s) to the laboratory without delay.  Occasionally it may be necessary for a requesting clinician to highlight a specimen as clinically urgent. If an urgent report is required it should be clearly identified or indicated on the request form. Urgent requests should be sent to Cellular Pathology via the porters without delay.

 To ensure that cases are not delayed within the laboratories please make sure that the request form is correctly completed and all sections are filled in properly. Once received urgent cases will be highlighted by the specimen reception and prioritised appropriately in the departmental workload. 

Intra-operative Frozen Sections

The department provides a rapid diagnostic service for intra-operative tissue specimens. Requests for frozen section should be telephoned to the histopathology laboratory (DDI: 13314) in advance of the procedure being undertaken, preferably on the day prior to surgery. Where this is not possible, e.g. an incidental finding during surgery, the request should still be telephoned to the laboratory prior to the sample leaving theatre. When calling the laboratory please ensure that you have the following information available as it will be asked for by the person receiving the call: 

  • Patient’s full name.

  • Registration number.

  • Date of birth.

  • Contact number or bleep number.

  • Patient’s consultant.

  • Tissue type / nature of specimen.

  • Expected date and time of delivery to the Lab.

Tissue taken for frozen section should be placed into a suitably sized container without any form of fixative (i.e. dry) and sent to Cellular Pathology without delay.  The process from specimen receipt in the laboratory to verbal report issued takes no longer than 15 minutes however this time may be shortened or lengthened slightly based on the nature of the sample received.  High risk biohazardous tissues are not suitable for frozen sectioning unless absolutely clinically required. Examples of these include tuberculous lesions, specimens from patients with viral hepatitis and specimens from patients who are HIV positive. If there is any doubt as to whether the specimen is suitable or not please contact the laboratory and ask for the advice of the Laboratory Manager or a Consultant Pathologist.

MOHS

Mohs, is microscopically controlled surgery used to treat common types of skin cancer. During the surgery, after each removal of tissue and while the patient waits, the fresh tissue is snap frozen and sectioned for microscopic examination. The examination informs the decision for additional tissue removal.

The process from specimen receipt in the laboratory to verbal report issued takes no longer than 15 minutes per sample block however complex specimens with multiple samples will take additional time.

Mohs clinics are booked with the Department to ensure that there are clinical and technical staff  are available to complete the test.

Neuropathological Smears

The Department provides a rapid diagnostic service for intra-operative brain tissue specimens. Requests for neuro smears should be telephoned to the laboratory in advance as per intra-operative frozen sections.

Tissue taken for neuropathological smears should be placed into a sterile universal container (UC) without any form of fixative (i.e. dry) and sent to Cellular Pathology without delay. These specimens are often tiny and so any delay in receipt may lead to artefactual damage which can be detrimental to any further laboratory processing.

The process from specimen receipt in the laboratory to verbal report issued takes no longer than 15 minutes however this time may be shortened or lengthened slightly based on the nature of the sample received.

Small Biopsy Specimens

The department provides both a routine and urgent diagnostic service for small biopsy specimens.

Specimens should be placed into 60 mL pre-filled containers of neutral buffered formalin.

  • Wherever possible small or endoscopic biopsies should be placed into mini biopsy or microcassettes cassettes (small yellow cassettes) before being placed into the neutral buffered formalin pots. Supplies of cellsafe cassettes can be sourced from the Cellular Pathology Specimen Reception.

  • Breast or other fine cores may be placed onto white cards before being placed into neutral buffered formalin pots. Please ensure the cores are stretched out linearly prior to fixation as knotted cores are not easy to separate out in the laboratory.

Please note that biopsies are delicate and should be handled with care, avoid the use of forceps wherever possible to prevent trauma artefact to the tissue.

Urgent Biopsy Specimens (Rapid Paraffin Service)

The department provides a rapid paraffin service for clinically urgent biopsy specimens; a report can be issued on the same day that the specimen arrives in the department.  It should be noted however that not all specimens are suitable for rapid processing. In general terms only liver, renal and cardiac biopsies are processed in this way. Other specimens may be suitable however advice should be sought from the Histopathology Manager (DDI: 13352) or a trimming room senior Biomedical Scientist (BMS 2 or above) (DDI: 13314) prior to sending other tissue types.

Tissues for the rapid paraffin service must be received by the department no later than 13:30. Please ensure that the name and bleep number of the requesting clinician is clearly indicated on the request form to allow for the verbal report to be issued.

Specimens received after 13:30 will not be processed urgently and will be placed onto the “normal” biopsy run later in the day thus same day reporting will not be possible.

Resection Specimens

The department provides a routine and urgent diagnostic histopathology service for larger surgical resection specimens. Tissue should be placed into appropriately sized containers which will allow for the specimen and at least ten times its volume in fixative (i.e. neutral buffered formalin) to be contained.

DO NOT use containers which are too small to allow for this volume of fixative to be used or squash specimens into small pots. Specimens should be free-floating in fixative not pressed up against the sides of the container as this leads to distortion of the tissue and may make further processing unnecessarily difficult.

Cytopathology

The Department provides the diagnostic cytopathology services for the Trust including fine needle aspirations, endoscopic brushings and washings, EUS-FNAs , serous fluids urines and CSF.  Routine specimens should reach the laboratory before 16:30 so that they can be processed within normal working hours. Specimens collected out of laboratory hours should be stored refrigerated until the next morning on which the laboratory is open.  Cytology sample that do not meet the minimum data requirements on request form or sample, are processed, to ensure that sample integrate is maintained. Details of missing data are added to the report.  Request for Consumables and Request Forms

Sample containers for use in cytology and request forms can be order by contacting the Cytology Department; they can be collected from the Cellular Pathology reception or the main pathology Reception CLS level-1 QEHB.  Cytology samples which do not meet the MDS will not be returned.  They will be processed in order to preserve the diagnostic material while attempts are made to contact the sender.  These samples will not be reported until adequate labelling of specimen and request form has been undertaken.Minimal delay between collection and receipt by the laboratory is necessary in order to prevent degeneration of cellular components and consequent loss of diagnostic value. All cytological specimens are potentially biohazardous and must be transported in leak proof containers enclosed in sealed bags. Specimens sent to the laboratory via the SDS should be placed in specimen bags and lids on the all containers should be securely closed.Urgent Cytology for Cyclo and Tacs should be available for reporting within 24 hours in line with KPI.

Specimens from patients with known or suspected tuberculosis, HIV, viral hepatitis or other transmissible disease should be labelled clearly.  Cytology DO NOT except or handle any specimens that are ? prion disease or CJD.

Specimens should be received as either pre-prepared slides, fresh unfixed samples in white- topped universal containers, or suspended in CRR.  Equipment used to collect the specimen such as brushes or drains are inappropriate.

Sputum - A series of three early morning ‘deep cough’ specimens should be collected on three consecutive days for maximum sensitivity. Post physiotherapy and post bronchoscopy specimens are suitable but should be clearly identified as such.

Serous Fluids - 50mls or the whole volume if less is aspirated should be sent in sterile universal containers. Include any tissue fragments or clots. Do not add fixative of anticoagulant. Drain bags are not suitable for transporting specimens and should NOT be sent.

Cerebrospinal Fluid (CSF) - Rapid processing is essential to preserve cells in CSF. These specimens should be sent to the laboratory within one hour.  ALL CSF SPECIMENS SHOULD REACH THE LABORATORY BY 16:30 AT THE LATEST TO ALLOW PREPARATION.

Urine - A representative aliquot of a maximum of 25ml of urine is sufficient for cytology processing, Ensure that this is not the first sample of the day.  Catheter urine and bladder washings are also acceptable but please mention this on the request form. Mid-stream urine samples are not suitable for cytology because they contain few cells.

Endoscopic Brushing - Immediate fixation is important and all slides must be labelled with PENCIL with the patient’s name and hospital number before the smears are made.

Fine needle aspiration - Unless the clinician is experienced in this procedure, including making good quality smears, it is recommended that they contact the laboratory for advice before beginning the procedure. Smears should be made and the needle rinsed out in cytorich red fluid. For ENT specimens in particular it is important that smears are sent as well as needle washings. Only prepared smears and needle washings are accepted. The sending of needles sheathed or otherwise is strictly forbidden.

EUS-FNAs - Please send all the specimen in cytorich red fluid

Cervical Smears - Cervical smears are NOT accepted in nor prepared by cytopathology at QEHB. Please send any cervical smear specimens to the Cytopathology Laboratory at Wolverhampton's Black Country Partnership Laboratories.

Reporting

Once specimens are reported and authorised by the laboratory they can be accessed on the intranet by appropriate staff. In addition a typed copy will be sent to the destination specified on the request form (FOR EXTERNAL USERS ONLY). If the specimen is needed for a particular MDT or clinic, then please state this on the request form. Urgent reports can be issued verbally if necessary to a suitable member of medical staff. Please put a mobile telephone number or a bleep number (that will be answered immediately) on the request form. Telephone reports will only be issued on request via telephone.

Muscle Biopsy Service - specific requirements

Muscle biopsies are performed as part of the investigation of a clinically suspected neuromuscular disorder when other less invasive tests have not provided a firm diagnosis.  The Muscle Biopsy Service receives muscle and nerve samples from the whole of the West Midlands region and occasionally from elsewhere in the UK.

This Department offers the following investigative techniques:

  • Muscle Histochemistry methods on frozen sections
  • Muscle immunocytochemistry on frozen sections.
  • Electron Microscopy.
  • Histology and Muscle immunocytochemistry on paraffin wax sections.
  • Arrangements can be made to send tissue away for DNA analysis.

 If required samples can be referred to specialist centres for further investigation

  • Metabolic tests.
  • Mitochondrial Assays and MtDNA.
  • Protein analysis for adult Limb Girdle Muscular Dystrophies.
  • Rare paediatric dystrophies

If a member of the muscle biopsy team is required to collect a nerve or muscle biopsy from QEHB theatres there should be a delay of no longer than 30 minutes between the biopsy being taken and the sample are being placed into fixative for electron microscopy.

For QEHB service users - Please call the lab to request collection as soon as possible once the specimen is available.  Prior to collection muscle should be kept in a dry universal container on water ice (ice can be supplied by the Muscle Lab) and the nerve should be kept in a dry universal container at room temperature.  A copy of the Muscle Biopsy request form noting the time the biopsy was taken should be completed by the requesting clinician. 

For external service users - Medical or secretarial staff from the requesting centre liaises directly with the Muscle Lab to book a biopsy.   A Senior Biomedical Scientist will travel to the hospital to collect the biopsy which is received fresh.  Clinical details are preferably received in advance of the biopsy from the requesting medical staff but relevant information may be transcribed from the patient’s notes onto the Muscle Biopsy Request Form by the Scientist collecting the biopsy.  The Scientist decides which tests will be required on the basis of this information.  The biopsy is cut up and fixed for certain tests on site, the rest of the specimen is brought back to the lab on ice and some is frozen in liquid nitrogen and the remainder allocated for further tests. 

Electron Microscopy Service - specific requirements

The Electron Microscope Unit is used routinely at magnifications of between 1500 and 70,000 times to examine the ultrastructure of cells and their surroundings.  The EM unit receives approx. 800 samples a year, the majority of which are renal, but about 100 muscle and 30 nerve biopsies are also collected.  Other specimens include cardiac biopsies, occasional skin biopsies and tumour samples.

Specimens from outside the department requiring EM should be sent in a small sample container (e.g. bijou or Eppendorf tube) containing at least 2 mL of an EM fixative.  A glutaraldehyde based fixative such as 2.5% glutaraldehyde in phosphate buffer is ideal but 10% buffered formalin is also acceptable.  In larger tissue samples individual pieces should be no larger than 3 mm cubed and should be completely submersed in fixative.

For QEHB service users - Renal biopsies are delivered to the Cellular Pathology Specimen Reception and EM samples are taken in the EM Lab. 

For External service users - package specimens for EM in firmly closed leak proof containers, together with sufficient absorbent material to contain any liquid, in sealed bags. The sealed bags are placed securely in a small padded envelope with the address label as given above under key information.  The EM unit makes use of the Histology request form for both internal and external users.   A copy of the light microscopy report is also required. 

 Advice can be obtained from Dr Liz Curtis on 0121 371 5720 This email address is being protected from spambots. You need JavaScript enabled to view it. and the Biomedical Scientist team within the Elelctron Microscopy Laboratory.

Laboratory Turnaround Times

The Department monitors turnaround times on a regular basis.  10 and 14 day Cellular Pathology turnaround target reporting times are reported to Trust service users, broken down by clinical specialty for biopsies and for cancer tracking cases for each month.  Specific turnaround data is available to service users upon request in addition to UHB internally available histopathology intranet dashboards.  The agreed TATs for each specialty is as follows for 14 days:

Greater than or equal to 90%, within tolerance = 75% - 90%. 

Urgent cytology is reported the same day where IHC is not required.  Urgent renal biopsy samples for example are routinely processed and reported on the same day, frozen sections/neuro smears are reported within approx. 15 minutes from receipt. However, 14 day targets are not consistently met at present  for non-urgent histopathology and cytology work.  That said TATs for all biopsy cases for Dec 2019 and Jan 2020 remain within 14 day standard for breast, cardiothoracic and haematopathology work.  Skin, urology, GI, osteoarticular and Head and Neck work for the same period are all within tolerance of between 75 and 90% reported in 14 days.

 

Cancer tracking patient TATs are also tracked and reviewed with service user representatives.  For Dec 2019 and Jan 2020 for example breast cancer tracking patient samples for Cellular Pathology remained strong at 90-100% reported within 10 and 14 days.  Urology cancer tracking case reporting times fell outside the tolerance times at approx. 70% in 14 days across December/January. 

In addition the Department actively monitors outstanding cases, notifying reporting pathologists that cases are still unreported.  This and actions to increase lab and consultant capacity continue to support the delivery of improved TATs for service users.

Muscle Biopsy Service :

  • Histochemistry results is five to seven working days
  • The current turnaround time for cases referred to specialist centres is 2-3 months depending on tests requested.

Electron Microscopy :

  • Renal and cardiac turnaround times are approx. 10 to 14 days
  • Muscle and nerve biopsies approx. 10 to 14 weeks.

 

For some complex cases outside, second opinions may be requested to support the diagnostic report and this may add to the number of days before a final diagnostic report is issued.   List of contacts we currently use for specialist second opinions and referral labs used for testing. 

Supplier Name Address Business Scope (test)
NEWCASTLE-U-TYNE Cellular Pathology Department Royal Victoria Infirmary Queen Victoria Road Muscle biopsy testing and  second opinion
Guys and St Thomas' Hospital 5th Floor Tower Wing Guys Hospital Thomas Street Genetics centre for muscle biopsies
Erasmus MC Rotterdam Erasmus MC Rotterdam Provide the following tests:  Muscle Histochemistry  (Cell Path)Glycogen De branching Phosphorylase Phosphofructokinase Phosphorylase b kinasea-1, 4 glucosidase Glycogen Phosphoglycerate Mutase Phosphoglycerate Kinase Carnitine palmitoyltransferase IIAMP deaminase
Dr Andrew Jack HMDS St James Institute of Oncology Bexley Wing St James University Hospital Second opinion for BMT histology reporting
Dr Lucy Feng Great Ormond Street Hospital (Dubowitz Centre)Great Ormond Street Second opinion  for Muscle histology
Dr Chris Kettle Newcastle upon Tyne Dental Hospital Richardson Road Second opinion for Muscle pathology
Prof Paul Speight School of Clinical Dentistry University of Sheffield19 Claremount Crescent Second opinion for Dental histology (slide reporting)
Dr Richard Allibun Nottingham University Hospitals NHS Trust Queens Medical Centre Campus Derby Road Second opinion for ENT histology (slide reporting)
Dr Phil Sloan Newcastle Royal Victoria Infirmary Queen Victoria Road Second Opinion for Dental histology (slide reporting)
Dr Ian Roberts Oxford University Hospitals NHS Trust John Radcliffe Hospital Headley Way Second Opinion for Renal Histology (slide reporting)
Leicester Royal Infirmary  (EM Reporting) Electron Microscopy Department Cellular Pathology University Hospitals Leicester NHS Trust Partial processing and TEM image production of EM samples. From Resin embedded samples to EM images returned to UHB for interpretation and reporting.
Dr Paul Matthews University Hospitals Coventry and Warwick NHS Trust Clifford Bridge Road Second Opinion for Dental Histology (slide reporting)
Derek Burke Great Ormond Street Hospital (Biochemistry)Great Ormond Street Glycolytic tests (muscle)
Dr Ivan Robinson Derby Hospitals NHSFT Royal Derby Hospital Utoxeter Road Second Opinion for ENT histology (slide reporting)
Prof Robert Taylor Newcastle NCG Rare Mitochondrial Disease Service4th Floor The Medical School Framlington Place Newcastle University Second Opinion for Muscle pathology
University College London Medical School Centre for Amyloidosis & Acute Phase Proteins Division of Medicine (Royal Free Campus)University College London Rowland Hill Street London  NW3 2PFUK Centre for amyloidosis and acute phase proteins
Birmingham Women's Healthcare NHS Trust Metchley Park Road Edgbaston Regional cytogenetics department
HGS   Heartlands, Good Hope and Solihull (University Hospitals Birmingham NHS Foundation Trust ) Heartlands Hospital UHB Cellular Pathology  - Staining   IHC and Special Stains
Hallwang Clinic Silberwaldstraße 34D-72280 Dornstellen Hallwangen Private oncology testing
Leeds Teaching Hospital Dr Preetha Chengot Dept. of Cellular Pathology Leeds Teaching Hospitals Block 32 Chancellor Wing St James University Hospital Beckett Street Referral lab for the processing of ground sections on teeth Amelogenesis imperfecta

 

 

UHB, Department of Cellular Pathology

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