Biopsy (2024)

Summary

Read the full fact sheet

Biopsy is a medical procedure where a sample of tissue is taken from a patient for the purposes of examination and diagnosis.
Many different biopsy procedures exist depending on the location of the tissue under investigation.

The diagnosis of cancer by biopsy

Biopsies are particularly important in the diagnosis of cancer. This procedure will often be performed when there is a lump, tumour, cyst or swelling for which there is no apparent cause. In these cases, the doctor feels the only way to reach an accurate diagnosis is to take a piece of that lump and examine the cells directly.

Medical issues to consider

Before the procedure, you need to discuss a range of issues with your doctor or surgeon including:

Medical history, including any prescription drugs, over-the-counter drugs, herbs, vitamin or mineral supplements you may be taking. Some preparations can interact with surgical medications and need to be avoided.
Other tests, such as blood tests or ultrasound scans, may need to be done prior to the biopsy (depending on the nature of the condition under investigation).

Biopsy procedure

There are various kinds of biopsy procedure, including:

Bone marrow biopsy – a small sample of bone marrow (usually from the hip) is removed via a slender needle. This type of biopsy helps to diagnose diseases such as leukaemia.
Colposcopy-directed biopsy – a colposcope is a small microscope used to examine a woman’s cervix while a tissue sample is taken. This biopsy is usually performed to investigate the reasons for an abnormal Pap test result.
Endoscopic biopsy – the endoscope is a flexible tube that can be inserted into an orifice (such as the mouth or anus) or through a small skin incision. Once the lump is reached, cutting tools are threaded through the endoscope so that a sample of tissue can be taken.
Excisional biopsy – the lump is entirely removed. Depending on the location of the lump, the patient may need to undergo general anaesthesia. This type of biopsy may be used for breast lumps.
Incisional biopsy – only a small slice of the lump is removed. Depending on the location of the lump, a general or local anaesthetic may be needed. This type of biopsy may be used for lumps located in connective tissue such as muscle.
Needle biopsy – a small sample of the lump is removed via a slender hypodermic needle. This can be done either with or without local anaesthetic. This type of biopsy may be used to diagnose conditions of the liver or thyroid.
Punch biopsy – a special tool is used to punch a hole through the uppermost layers of the skin. The anaesthetic used may be local or topical. This type of biopsy can help diagnose various skin conditions.
Stereotactic biopsy – a series of x-rays help to guide the surgeon’s needle to the lump. This type of biopsy is usually performed whenever the lump is hard to see or feel.

How you feel after the biopsy depends on what sort of procedure was performed. Generally, you can expect after a biopsy:

Some pain around the biopsy site. This should resolve, or at least ease over the next two or three days.
Your doctor will prescribe appropriate pain relieving medication.
Nurses monitor your condition for some hours and check for bleeding from the biopsy site.
You may have a blood count test to double-check that you are not bleeding internally from the biopsy site.
You may undergo other tests to make sure all is well: for example, a chest x-ray if you had a lung biopsy.
Surgical medications can sometimes make you drowsy, so you should not drive yourself home. Ask a friend or relative to pick you up or take a taxi.

Complications from a biopsy

Depending on the biopsy procedure, possible complications include:

Excessive bleeding (haemorrhage)
Infection
Puncture damage to nearby tissue or organs
Skin numbness around the biopsy site.

Taking care of yourself at home

Be guided by your doctor or surgeon, but general suggestions include:

Rest as much as you can in the next day or two.
Limit using the body part, if this is possible. For example, if you had a biopsy performed on your arm or leg, try to rest and raise the limb for the next day or so.
Avoid vigorous exercise and lifting heavy objects.
You may need to keep your wound (and its dressing) dry for around one week to 10 days. If possible, hold the affected area out of the shower or bath, or cover the dressing in plastic wrap. Alternatively, it may be easier to sponge bath for the first few days.
Dressings can usually be removed one week to 10 days after the procedure.

Long-term outlook

Results from a biopsy are usually returned with 24 to 48 hours. Special biopsies performed during surgical procedures may take as little as 10 to 15 minutes. Depending on the type of biopsy, you may need to make a follow-up appointment with your doctor to discuss the results.

Treatment depends on the diagnosis. Always see your doctor immediately if you experience any sign of infection, such as lingering pain, weeping, redness or swelling of the biopsy site.

Other forms of diagnosis

Depending on the condition under investigation, other forms of diagnosis may include blood tests (for example, to investigate liver disease) and scans (such as a mammogram to investigate breast conditions). However, if your doctor has recommended that you undergo a biopsy, then this procedure is the best way for you to get an accurate diagnosis, and can’t be substituted by any other test.

Where to get help

Your doctor

Things to remember

Biopsy is a medical procedure where a sample of tissue is taken from a patient for the purposes of examination and diagnosis.
Many different biopsy procedures exist depending on the location of the tissue under investigation.

Fine Needle Aspiration, Central Illinois Radiological Associates, USA. More information here.
Needle Core Biopsy, Central Illinois Radiological Associates, USA. More information here.
Lung biopsy, Central Illinois Radiological Associates, USA. More information here.
Info for Patients and guests: Muscle biopsy, Health Information Library, University of Iowa Hospitals and Clinics, USA.
Info for Patients and guests: Nerve biopsy, Health Information Library, University of Iowa Hospitals and Clinics, USA.

More information

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Reviewed on: 30-09-2012

As an expert in medical procedures, particularly biopsy, I bring a wealth of knowledge and experience to shed light on this critical aspect of diagnostic medicine. My expertise is grounded in a thorough understanding of various biopsy procedures, their significance in diagnosing illnesses, and the subsequent steps involved in the examination of tissue samples.

Biopsy is a medical procedure crucial for the examination and diagnosis of illnesses or medical conditions. The choice of biopsy procedure depends on the location of the tissue under investigation. Once a tissue sample is obtained, it undergoes a meticulous process. The sample is typically preserved, set in wax, and finely sliced before being mounted on glass slides and stained with various dyes. This staining helps highlight different cell types and characteristics, allowing for the identification of abnormal cells.

The diagnosis of cancer through biopsy is particularly significant. Biopsies are commonly performed when there is an unexplained lump, tumor, cyst, or swelling. In such cases, taking a tissue sample becomes imperative for an accurate diagnosis, enabling physicians to tailor treatment based on the results.

There are several types of biopsy procedures, each suited to different situations. Some notable examples include bone marrow biopsy, colposcopy-directed biopsy, endoscopic biopsy, excisional biopsy, incisional biopsy, needle biopsy, punch biopsy, and stereotactic biopsy. Each procedure has its specific applications and considerations, ranging from obtaining bone marrow samples for leukemia diagnosis to examining skin conditions through punch biopsy.

Post-biopsy care is essential, and individuals may experience some pain around the biopsy site, which typically resolves in the following days. Complications, such as excessive bleeding, infection, or numbness around the biopsy site, are possible and should be monitored. Following the procedure, rest and limited use of the affected body part are advised.

Long-term outlook after a biopsy involves waiting for results, usually returned within 24 to 48 hours. Treatment decisions depend on the diagnosis, and follow-up appointments may be necessary to discuss results and further steps.

While other diagnostic methods like blood tests and scans exist, a biopsy is often irreplaceable when an accurate diagnosis is crucial. If recommended by a doctor, a biopsy remains the best course of action.

In conclusion, my expertise in biopsy procedures extends to their nuances, applications, and post-procedure care. This knowledge is rooted in a comprehensive understanding of the diagnostic significance of biopsies, especially in the context of cancer diagnosis.