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Is there a difference between a spinal tap and a bone marrow aspiration

A 39-year-old member asked:
Dr. Shahin Tavackoli
22 years experience Cardiology
Yes: Spinal tap removes part of the cerebrospinal fluid (the fluid that surrounds the brain and the spinal cord) usually by placing a needle into the spina ... Read More
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A 39-year-old member asked:
Dr. Liawaty Ho
22 years experience Hematology and Oncology
Completelt different: Spinal tap is done by putting a needle to the lumbar( lower back area) spinal canal space- to obtain cerebro spinal fluid. Bone marrow aspiration is ... Read More
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A 65-year-old female asked:
Dr. Louis Cooper
47 years experience Pediatrics
More info: A bone marrow aspirate is just drawing bone marrow into a syringe for evaluation. A biopsy actually removes a core of bone from the marrow cavity to ... Read More
A 41-year-old member asked:
Dr. Keith Stockerl-Goldstein
29 years experience Hematology and Oncology
Dry Tap: This refers to the physician not being able to aspirate any liquid bone marrow when obtaining a sample. This can be caused by chemotherapy causing th ... Read More
A 32-year-old member asked:
Dr. Carlo Hatem
24 years experience Pulmonary Critical Care
No: You will get local anesthesia. General anesthesia is used under rare circumstances.
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A 25-year-old male asked:
Dr. Michael Dugan
Specializes in Hematology
There is a lot: Of variation from patient to patient. It is important to get the surface of the bone (periosteum) well numbed. There is a sensation from "tug" to "s ... Read More
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A 53-year-old member asked:
Dr. James Ball
18 years experience Pediatric Hematology and Oncology
Sampling of marrow: This is a removal of the liquid marrow within the bone. A needle is inserted through the skin and then into the bone. From this site, marrow is with ... Read More
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A 50-year-old member asked:
Dr. Swati Avashia
22 years experience Internal Medicine and Pediatrics
Blood disorders: A bone marrow aspirate is used to diagnose diseases of the blood forming elements (platelets, red blood cells, white blood cells). It can be used to ... Read More
A 42-year-old male asked:
Dr. Julie Abbott
44 years experience Preventive Medicine
The risk of: long term pain following bone marrow aspiration is small...seemingly less than 1-2%. It is done when high iron levels are detected to diagnose whether ... Read More
A 41-year-old member asked:
Dr. Keith Stockerl-Goldstein
29 years experience Hematology and Oncology
Yes: Even without symptoms the cause of low blood counts needs to be investigated. A bone marrow biopsy is an important test to figure out the reason.
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1 comment

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