pathology report
Meaning of pathology report: The document that turns a piece of removed tissue into a diagnosis, and the basis on which most cancer treatment is planned.
Definition of pathology report
A pathology report is the written account a pathologist produces after examining tissue or cells removed from the body. It describes what the sample looked like to the naked eye and under the microscope, states the diagnosis, and records the measurements that guide treatment, such as tumor size, grade, and whether the edges of the specimen are clear. It becomes a permanent part of the medical record.
What is in it?
Reports follow a standard order, which makes them easier to read once the structure is familiar.
| Section | What it contains |
|---|---|
| Clinical details | Why the sample was taken and what was suspected |
| Gross description | Size, weight, color and appearance of the specimen |
| Microscopic description | What the cells and tissue architecture show |
| Special studies | Stains, protein markers and genetic tests performed |
| Diagnosis | The conclusion, in formal terms |
| Synoptic summary | A checklist of measurements used for staging |
Which details carry the most weight?
For a cancer specimen, several items directly shape what happens next. Type names the tissue the tumor arose from. Grade describes how abnormal the cells look and how fast they appear to be dividing. Size and depth of invasion feed into the stage. Margin status states whether tumor reaches the cut edge, which determines whether further surgery is considered. Lymph node counts record how many were examined and how many contained tumor. Receptor and marker results determine eligibility for particular drugs.
Who writes it and how long does it take?
A pathologist examines the tissue after it is fixed, embedded in wax, sliced very thinly and stained, a sequence that takes at least a day and often longer. Where extra stains or genetic testing are needed, the report may be issued in stages, with a preliminary diagnosis followed by an addendum. Reports based on cells alone rather than intact tissue, as in a smear or fluid sample, fall under cytology and follow a different reporting format. During an operation a rapid frozen section can give a provisional answer within minutes, which is confirmed later by the full histology.
Can it be wrong?
Interpretation involves judgment, and difficult cases exist, particularly at the border between benign and malignant. Second opinions on the original slides are routine in specialist centers and are a recognized part of practice rather than a challenge to the first pathologist. Sampling is another limit: a report describes only the tissue submitted, so a biopsy that missed the abnormal area yields a normal result while disease remains.
Also known as
Used in a sentence
The pathology report confirmed clear margins and two of fourteen nodes involved.
Good to know
A pathology report describes only the tissue submitted, so a normal result from a biopsy that missed the abnormal area does not exclude disease elsewhere in the organ.
Word origin
Where “pathology report” comes from
Pathology comes from the Greek pathos, meaning suffering or disease, plus logos, meaning study.