PMID: 3213509May 1, 1988Paper

Adrenocortical carcinoma in infancy. Report of a case with immunohistochemical and ultrastructural studies

Acta Pathologica Japonica
T NishikawaM Nakazawa

Abstract

A case of adrenocortical carcinoma associated with congenital heart defect in a 6-month-old Japanese girl is reported. A fist-sized tumor was incidentally noted in the right hypochondrium upon admission for cardiac surgery. No clinical endocrinopathy was evident in this case. The resected tumor was encapsulated with smooth surface and no invasion to adjacent tissues or organs was observed. Histologically, the tumor was composed of small cells with granular or clear cytoplasm, and occasional giant cells with single or multiple nuclei. By electron microscopy, the tumor cells showed various nuclear contours with distinct nucleoli and had a moderate amount of cytoplasm containing abundant rough endoplasmic reticulum and mitochondria with variable-sized electron-dense granules. Intercellular desmosome-like junctions were observed in some tumor cells. Immunohistochemically, the tumor cells contained granules positive for estriol, progesterone and cortisol. These morphological findings including electron microscopic features suggested that the tumor cells had a malignant character.

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