Waiting for the Biopsy Result

A pathology report typically reaches your doctor within about 10 days of the biopsy or surgery. Straightforward samples often come back faster. Anything needing extra testing takes longer, and unusual or complex cases can run to several weeks.

The useful thing to establish before you leave the biopsy appointment is not the average but your specific arrangement: who will call you, roughly when, and whether you will be contacted even if the result is normal. Clinics vary, and a lot of unnecessary waiting comes from assuming someone will ring when the plan was for you to attend an appointment.

The tissue does not go straight under a microscope. It goes through a sequence, and each step takes real time:

1. Fixation. The sample is placed in a chemical, usually formalin, to preserve it.
2. Processing. A machine removes the water from the tissue and replaces it with molten paraffin wax. This commonly runs overnight.
3. Embedding. The tissue is set into a solid wax block so it can be cut.
4. Sectioning. Extremely thin slices are cut and mounted on glass slides.
5. Staining. Slides are stained with dyes so structures become visible. The standard is haematoxylin and eosin, which turns nuclei blue-purple and other structures pink-orange.
6. Examination and reporting. A pathologist reads the slides and writes the report, which then has to reach your clinician.

Only after all of that can anyone tell you anything definite.

This is the part that causes the most needless fear. In most cases a delay means the pathologist is being careful, not that a bad result is being sat on.

Common reasons:

• Extra stains. If the standard slide does not settle the question, the pathologist orders special stains or immunohistochemistry to identify the cell type precisely. Each round adds time.
• Molecular and biomarker testing. Tests such as hormone receptor and HER2 status, or wider genomic panels, may be sent to another laboratory. Turnaround can be a couple of weeks.
• A second opinion on the slide. Difficult cases are routinely shown to a colleague or sent to a specialist center. That is good practice.
• Ordinary logistics. Transport between sites, a weekend, or a clinician on leave.

A fast result is not automatically good news, and a slow one is not automatically bad. Speed mostly reflects how much work the sample needed.

A frozen section gives a rapid read — roughly 15 to 20 minutes — so a surgeon can make a decision mid-operation. It is preliminary by design. The definitive report on fully processed tissue comes afterwards, and it is the one used to plan treatment. Occasionally the two differ slightly, which is expected rather than alarming.

There is no technique that makes this comfortable. Waiting for test results is recognized as one of the more stressful parts of cancer care, and anxiety is common — almost half of people with cancer report some, and about a quarter report a great deal.

What tends to help more than distraction alone:

• Fix a date in your calendar for when you will chase, so you are not deciding daily whether today is the day.
• Restrict searching to two or three reliable sites, and stop looking for statistics about a diagnosis you do not yet have.
• Tell one or two people, and tell them what you want from them — company, or silence, or being asked about something else entirely.
• Keep ordinary commitments where you can. Empty days expand to fill with the wait.
• If sleep or functioning is badly affected, say so. Short-term help is available and you do not have to wait for a diagnosis to ask.

Call if the date you were given passes, or if roughly two weeks go by with no explanation. Ask whether the report has been issued and when it will be discussed with you. Results are not withheld from you because they are bad. You can also request a copy of the full report, and you can ask for your slides to be reviewed elsewhere, including at an NCI-designated cancer center.

• NCI PDQ — Adjustment to Cancer: Anxiety and Distress
• NCI Dictionary — Immunohistochemistry
• NCI Dictionary — Frozen section
• NCI — Understanding Laboratory Tests