I E McCutcheon1, R H Kitagawa, S I Sherman, J M Bruner. 1. Department of Neurosurgery, The University of Texas M.D. Anderson Cancer Center, Houston 77030, USA. imccutch@notes.mdacc.tmc.edu
Abstract
OBJECTIVE AND IMPORTANCE: A case of metastasis to the pituitary gland from a ductal adenocarcinoma of the salivary gland is presented. Metastasis to this site is rare, and a salivary gland source has never previously been described. CLINICAL PRESENTATION: This patient presented with hypopituitarism, including diabetes insipidus. INTERVENTION: A craniotomy was performed to alleviate visual loss. The histological features of the sellar tumor were identical to those of a tumor removed from the parotid gland 18 months earlier. CONCLUSION: Although intrasellar tumors originating from embryonic rests of salivary gland tissue have been reported, metastasis from a malignant neoplasm arising within a true salivary gland is also possible and should not be excluded from consideration for patients in whom a salivary gland-like tumor is discovered in the sella turcica.
OBJECTIVE AND IMPORTANCE: A case of metastasis to the pituitary gland from a ductal adenocarcinoma of the salivary gland is presented. Metastasis to this site is rare, and a salivary gland source has never previously been described. CLINICAL PRESENTATION: This patient presented with hypopituitarism, including diabetes insipidus. INTERVENTION: A craniotomy was performed to alleviate visual loss. The histological features of the sellar tumor were identical to those of a tumor removed from the parotid gland 18 months earlier. CONCLUSION: Although intrasellar tumors originating from embryonic rests of salivary gland tissue have been reported, metastasis from a malignant neoplasm arising within a true salivary gland is also possible and should not be excluded from consideration for patients in whom a salivary gland-like tumor is discovered in the sella turcica.
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