PMID: 6110669Mar 1, 1981Paper

Multiple endocrine neoplasia with skeletal manifestations

The Journal of Bone and Joint Surgery. American Volume
J A CarneyA V Hayles

Abstract

There are three types of familial multiple endocrine neoplasia, but type 2b, which is characterized by medullary thyroid carcinoma, pheochromocytoma, and ganglioneuromatosis, is the only one in which patients also have skeletal anomalies. These musculoskeletal abnormalities include marfanoid habitus, pes cavus, talipes equinovarus, slipped capital femoral epiphysis, kyphosis, scoliosis, lordosis, increased joint laxity, and weakness of the proximal muscles of the extremities. Affected patients have several facial abnormalities as well, the most striking being enlargement of the lips. Therefore, when a patient is seen with one or more of these musculoskeletal defects, the diagnosis of type-2b multiple endocrine neoplasia should be considered. If the characteristic facial features of the disorder are present, the patient should have a prompt examination for medullary thyroid carcinoma and pheochromocytoma.

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