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Histopathology — how biopsy results are produced
Category: Biopsies, Lab & Pathology Tests · All biopsies, lab & pathology tests
What it is
Histopathology is the laboratory examination of tissue: biopsies and surgical specimens are fixed, processed, sliced into sections thinner than a cell layer, stained, and examined under the microscope by a pathologist, sometimes with special stains, molecular tests and multidisciplinary team discussion.
Why it is done
It provides the definitive diagnosis for most cancers, classifies tumours (type, grade, stage features), checks surgical margins, and diagnoses many non-cancer conditions from inflammation patterns in gut, skin, liver, kidney and other biopsies.
How to prepare
There is nothing for you to prepare — the quality steps happen in the laboratory. Provide accurate clinical details on the request; context materially improves reporting accuracy.
What happens during the procedure
In the laboratory: specimens are measured, described and sampled ('cut up'), processed overnight into wax blocks, sectioned and stained (H&E routinely). Complex cases get immunohistochemistry and molecular tests. Reports for small biopsies typically take several days to two weeks; large resections and specialist tests longer.
Afterwards — recovery & results
Your result is usually given by the referring team (clinic appointment or letter), because it needs interpretation with your scans and story, and cancer results are discussed at multidisciplinary team meetings before treatment plans are finalised. Ask your team how and when to expect yours.
Risks & considerations
No risks to you from the laboratory process. Occasionally tissue is insufficient or processing reveals the need for more tests — the report explains, and your team arranges any repeat sampling needed.
Watch: Histopathology — how biopsy results are produced videos
Real procedure videos from the MedicalVideos.com library. Some clinical footage is graphic — that is the nature of a medical video library.
Related guides on MedicalVideos.com
Frequently asked questions
Why do results take so long?
Fixation, processing, sectioning and staining are physical processes taking days, and complex cases need extra stains, second opinions and team discussion. Accuracy is prioritised over speed — urgent cases are fast-tracked.
What do 'margins' mean in my report?
The distance from the tumour to the cut edge of the removed tissue. Clear margins suggest complete removal locally; involved margins may prompt further surgery or other treatment.
Related procedures — Biopsies, Lab & Pathology Tests
Browse the H section of the A–Z list or return to the Procedures & Tests hub.