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Histopathology

The histopathology laboratory deals with biopsies, excisions and resection specimens, as well as frozen sections.

We provide routine histopathological diagnoses using both standard techniques and advanced diagnostics including immunocyto-chemistry and polymerase chain reaction (PCR).

Skin cases form our largest histopathology specialty – the melanoma unit based at St George’s Hospital is a regional referral centre and is one of the busiest melanoma units in the UK.

The hub laboratory is a tertiary referral centre for urology and thoracic surgery and a regional centre for the NHS breast screening programme and the NHS bowel cancer screening programme.

We are part of the London Deanery Histopathology Training Scheme for trainee histocytopathologists.

Our specialist services include:

  • perinatal pathology
  • neuropathology
  • uropathology
  • respiratory pathology
  • histochemistry
  • immunocytochemistry
  • immunofluorescence
  • immunosuspension
  • One Step Nucleic Acid amplification (OSNA) for intraoperative analysis of sentinel lymph node in Breast 
  • frozen sections – rapid diagnosis of surgically
    removed specimens
  • MOHS service
  • molecular pathology tests:
    • EGFR
    • NRAS
    • BRAF
    • ALK
    • PDL1
    • DDISH.

Latest news

September 21, 2026

Making every second count: inside Croydon’s Performance Partnership

Walk into the Clinical Blood Sciences lab at Croydon University Hospital and you can’t miss them: a pillar covered in laminated wall charts, each one a grid of red and green marker strokes climbing towards a 95% goal line. They track urgent turnaround times for tests like troponin, U&Es and CRP, day by day, month by month. They’re simple. They’re visible. And according to the team behind them, they’re changing how the lab works.

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September 8, 2026

Serendipity: Dr Sarah Davie’s path from the laboratory bench to NHS leadership

There is a moment in every meaningful career when the role you have been preparing for finally meets the person you have become.. As Sarah prepares to step down from her role as Network Clinical Lead for Biochemistry at South West London Pathology, Sarah reflects on her forty-two year career that began with a serendipitous laboratory placement and evolved into a legacy of connection and collaboration.

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September 3, 2026

Day in the Life: Diana Mohanaraja, Band 6 Biomedical Scientist

For Diana, every day presents a unique challenge. it all depends on which bench she’s working. Some days she’s on a one-person bench, giving her the freedom to plan her own time. Other days she’s in the 6800, SWLP’s busy molecular suite housing three Cobas analysers, working alongside an Associate Practitioner and one or two Band Support Workers.

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July 27, 2026

Learning from Bordeaux: shaping the future of our GP hub

Our managing director, Simon Brewer, led a team from the South West London to Bordeaux, France to visit one of Europe’s most advanced diagnostic laboratories, a trip that is now directly shaping plans for SWLP’s own GP hub.

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