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Biomedical subjects

M Azaria

Publications and source records attributed to M Azaria.

28 records · Page 2Linked to original sources

Utility of 24 hour bone scan in evaluation of bone involvement by soft tissue sarcoma.

Accumulation of Tc-99m MDP in soft tissue malignancies occurs frequently. When tumor overlaps adjacent bone structures, the bone margins can be indiscernible on a regular bone scan. Additional views should be taken to differentiate bone from tumor, however, separation is sometimes difficult and not always successful. This report presents a patient in whom accumulation of Tc-99m MDP in a liposarcoma of the thigh disappeared on a 24 hour scan and bone margins were seen clearly. A possible mechanism for this phenomenon and its utility are discussed.

Adult

[Two stage Syme amputation].

In 1843 James Syme described the amputation which bears his name. It is done in two stages and can be accomplished in the presence of wounds and infections or gangrene of the feet. The operation is of great value especially in the elderly. Patients with a Syme stump can be fitted with a strong, light, plastic prosthesis, they develop an excellent gait and the entire body weight can be borne without pain. The advantages of the Syme amputation are that the knee joint is retained and the long lever allows an almost normal gait with an energy cost only 10% above normal. The stump has a large interface for proprioceptive feed-back and the prosthesis is easy to put on.

Amputation, Surgical