Bone Marrow Biopsy

Bone marrow is the soft, spongy tissue found deep within your bones, primarily in the posterior iliac crest of the pelvis, and it is responsible for producing the red cells, white cells, and platelets that circulate in your blood. When routine blood investigations return with values that simply do not add up, or when cell counts are persistently abnormal despite treatment, the bone marrow itself needs to be examined directly.

A bone marrow biopsy may be recommended in the following situations:

• Unexplained anaemia that has not responded to iron or nutritional supplementation
• Suspicion of leukaemia, lymphoma, or multiple myeloma
• Evaluation of myelodysplastic syndromes
• Persistent fever where an infectious cause, such as tuberculosis or a fungal infection, needs to be investigated within the marrow
• Staging of certain cancers and monitoring of treatment response
• Unexplained abnormalities in platelet or white cell counts

The biopsy is typically performed within the haematology unit. The patient lies on their side or stomach, and the posterior iliac crest, the bony prominence at the back of the hip, is cleaned and numbed thoroughly using a local anaesthetic. Most patients report feeling significant pressure rather than sharp pain once the area is adequately anaesthetised.

A specialized biopsy needle is then carefully introduced into the bone to extract a small core of marrow tissue, usually around 1.5 to 2 centimetres in length. In many cases, a bone marrow aspiration is performed simultaneously - this draws out a small amount of liquid marrow for separate analysis. The entire procedure generally takes between 20 and 30 minutes, and patients are able to return home the same day.

There is relatively little preparation required, which patients are often relieved to hear. A few important points to keep in mind ahead of your procedure:

• Medications
  Inform your haematologist about any blood-thinning medications you may be taking, including aspirin, warfarin, or newer anticoagulants, as these may need to be paused beforehand
• Fasting
  Not required in most cases, unless sedation has been specifically advised, in which case your doctor will provide clear fasting instructions
• Clothing
  Wear comfortable, loose clothing on the day that allows easy access to the hip area
• Accompaniment
  Arrange for someone to accompany you, as some patients feel lightheaded or uncomfortable following the procedure, and it is always helpful to have support
• Medical history
  Share any known allergies, particularly to local anaesthetics, with your treating team before the appointment

Bone marrow biopsy samples are examined under a microscope by an experienced pathologist, working in close consultation with the treating haematologist. The analysis evaluates several key aspects:

• Overall cellularity of the marrow - essentially how active it is in producing blood cells
• The proportion and appearance of different developing cell types
• Presence of any abnormal or malignant cells
• Evidence of fibrosis, infiltration by cancer cells, or signs of infection

Results are generally available within several days to a week. Normal findings reflect a healthy balance of developing blood cells with no evidence of abnormality. Abnormal findings may indicate conditions ranging from aplastic anaemia - where the marrow is significantly underactive - through to haematological malignancies requiring prompt and carefully planned intervention.

Most patients experience mild soreness at the biopsy site for two to three days, which is entirely expected and manageable with simple over-the-counter analgesics. General aftercare guidance includes:

• Keep the biopsy site clean and dry for at least 24 to 48 hours
• Avoid strenuous physical activity during the initial recovery period
• Monitor the site for any signs of excessive bleeding, increasing swelling, or discharge
• Contact the haematology unit promptly if fever develops or if the site does not appear to be healing as expected

Serious complications are uncommon. Occasional bruising or minor localized bleeding may occur, and infection is rare with appropriate wound care.

Our Department of Haematology brings together experienced haematologists, oncologists, and pathologists who work in close coordination to ensure every patient receives an accurate diagnosis and a clearly communicated, individualized management plan. From the initial consultation through to results review and ongoing treatment, our team is committed to making what can be a stressful process as informed and supported as possible. Consult the best doctors for bone marrow biopsy in Navi Mumbai at UMC Hospitals.