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June 26, 1967

Granular Cell Myoblastoma Of the Cystic Duct

Author Affiliations


JAMA. 1967;200(13):1185-1186. doi:10.1001/jama.1967.03120260081021

To the Editor:—  Granular cell myoblastoma, a benign tumor of striated muscle origin, was first described in 1926 by Abrikossoff.1 The tumor is usually described as occurring in the lip or the tongue, areas abundant in striated muscle.2 Locations less frequently reported include the colon, stomach, and the duodenum, where this tumor is a pathologic curiosity.3,4 Symptomatic obstruction of the cystic duct by this lesion has been described once previously,5 to our knowledge. The rarity of this lesion and its infrequent cause of cystic duct obstruction warrant description of this case.

Report of a case:—  A 14-year-old Negro girl was first seen in the Pre-Natal Clinic at Temple University Health Sciences Center on Nov 19, 1965, in the second trimester of her first pregnancy. Routine care was effected, and she was delivered of a full-term, normal boy on April 14,1966. On May 14, 1966, acute follicular