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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

April 28, 2026

Incorrect Faecal Immunochemical Test (FIT) results issued between 27 December 2025 and 4 March 2026

On 4 March, South West London Pathology (SWLP) identified an issue with Faecal Immunochemical Test (FIT) test results from between 27 December 2025 to 4 March 2026. During this period, some results were issued that were falsely high (positive). All results that went out from 5 March onwards are correct. The FIT test looks for […]

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April 27, 2026

SWLP shortlisted for five IBMS awards

We are excited and proud to announce that teams across SWLP have been shortlisted for five IBMS awards, our highest number of shortlisted nominations ever. The shortlisted nominations are: Best Use of Innovation or Technology SWLP POCT team for the introduction of a troponin POCT solution in ED at Kingston Hospital Harvey’s Lab Tour of […]

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April 24, 2026

Cytology team celebrates 10-year milestone and national award shortlisting

An SWLP team that revolutionised one-stop cancer diagnostic clinics is celebrating a decade of service, and a prestigious national award nomination.

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April 22, 2026

SWLP’s Shiva Joshi ranked 2nd in global Andrology & Embryology EQA scheme

South West London Pathology is proud to celebrate a truly outstanding achievement by one of our own. Shiva Joshi, a Specialist Biomedical Scientist in our Blood Sciences department at Croydon Hospital, has been recognised as the 2nd best performer worldwide in the 2026 Andrology and Embryology External Quality Assessment (EQA) scheme. This remarkable result places […]

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