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January 22, 1968

Benign Symmetric Lipomatosis

Author Affiliations

Duarte, Calif

JAMA. 1968;203(4):305. doi:10.1001/jama.1968.03140040057024

To the Editor:—  A rapidly growing supraclavicular mass is a disconcerting sign to both the patient and the physician. It is disconcerting to the patient because he is sure it is some form of cancer. It is disconcerting to the physician because he is sure the patient is right. We report here a form of rapidly growing supraclavicular mass, which, though unpleasant in appearance is pleasant in prognosis, for in contrast to the carcinoma and lymphoma usually found in this area, it is benign. Its three most characteristic features are described in the title, benign symmetric lipomatosis. A sufficient number of cases have been reported that it may be considered a distinct entity.1-5 The cervical area is most frequently affected, showing bilateral accumulation of soft masses which frequently extend in tongue-like projections between the cervical and upper thoracic muscles. As the lobulated masses progressively enlarge they may produce a