Acta cytologica · 2001
Fine needle aspiration cytology of metastatic hepatic adrenocortical carcinoma mimicking hepatocellular carcinoma: a case report.
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Serrano R, Rodríguez-Peralto J L, Santos-Briz A, de Agustín P
Аннотация
BACKGROUND: Adrenocortical carcinoma (AC) is a rare neoplasm, usually considered one of the most morbid and lethal human tumors. It occurs primarily in children and young adults and often presents with advanced and/or metastatic disease.
CASE: A 9-year-old boy with a previous diagnosis of adrenocortical carcinoma underwent computed tomography (CT)-guided fine needle aspiration (FNA) for preoperative investigation of a hepatic mass. All smears revealed abundant groups of cells surrounding an interconnective, thin-walled, central vascular core. These cells showed finely vacuolated, large cytoplasm with eccentrically placed nuclei. Occasionally, cells underwent a sudden, marked increase in size, with prominent atypia. Multinucleated, atypical giant cells and high mitotic rate were also evident. The cytologic findings resembled the previous histologic adrenocortical carcinoma features.
CONCLUSION: The cytologic features of metastatic hepatic adrenocortical carcinoma may mimic those of hepatocellular carcinoma. However, the presence of atypical multinucleated and pleomorphic cells with microvacuolated cytoplasm and eccentric nuclei as well as the absence of naked nuclei and endothelial linings yield the diagnosis of adrenocortical carcinoma. Nevertheless, other space-occupying liver lesions in children must also be considered. This case demonstrates the usefulness of CT-localized FNA biopsy in hepatic masses in children, and discusses the possible cytologic differential diagnosis.
CASE: A 9-year-old boy with a previous diagnosis of adrenocortical carcinoma underwent computed tomography (CT)-guided fine needle aspiration (FNA) for preoperative investigation of a hepatic mass. All smears revealed abundant groups of cells surrounding an interconnective, thin-walled, central vascular core. These cells showed finely vacuolated, large cytoplasm with eccentrically placed nuclei. Occasionally, cells underwent a sudden, marked increase in size, with prominent atypia. Multinucleated, atypical giant cells and high mitotic rate were also evident. The cytologic findings resembled the previous histologic adrenocortical carcinoma features.
CONCLUSION: The cytologic features of metastatic hepatic adrenocortical carcinoma may mimic those of hepatocellular carcinoma. However, the presence of atypical multinucleated and pleomorphic cells with microvacuolated cytoplasm and eccentric nuclei as well as the absence of naked nuclei and endothelial linings yield the diagnosis of adrenocortical carcinoma. Nevertheless, other space-occupying liver lesions in children must also be considered. This case demonstrates the usefulness of CT-localized FNA biopsy in hepatic masses in children, and discusses the possible cytologic differential diagnosis.