Bone marrow necrosis. Diagnosis and assessment of extent of involvement by radioisotope studies

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Abstract
In 2 patients with extensive marrow necrosis, the diagnosis of marrow necrosis was established by morphologic and radioisotopic studies, and the extent of involvment was accurately assessed by marrow scanning with 99mTc sulfur colloid while the patients were still alive. The literature on marrow necrosis was briefly reviewed and the clinical features of this condition were characterized. Patients with this condition often have malignancies, underlying marrow disorders, sepsis, bone pain and pancytopenia. Their marrow is often difficult to aspirate and they may require frequent transfusions to maintain a stable Hb level. Radioisotopic studies are useful in the diagnosis and assessment of extent of involvement of this condition. They should be used in patients with clinical findings suggestive of marrow necrosis.

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