PubMed · 6964585
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E Cataldo, J L Giunta. 1982. A clinical pathological presentation.. https://pubmed.ncbi.nlm.nih.gov/6964585/
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Solitary fibrous tumors (SFT) are rare, mostly fibroblastic tumors usually situated in the pleura. Extrapleural manifestations have been described. However, the oral cavity is an uncommon localisation of this tumor. We report the very unusual case of an SFT affecting the tongue that could be removed completely because of its clear delineation. Intraoperative incisional biopsies were used to exclude malignancy. For definitive classification of the tumor, additional histopathologic examinations had to be carried out. Because SFT exhibit malignant behavior only in exceptional cases and their recurrence after complete removal has never been encountered, surgery can focus on the preservation of undisturbed function of the tongue.
A 54-year-old man with a past history of multi-operation for solitary fibrous tumor was hospitalized for hypoglycemia. Computed tomography demonstrated multiple tumors in the liver but not in the pancreas. His serum insulin-like growth factor (IGF)-II level was normal, but immunoblot analysis and immunohistochemistry revealed a high molecular weight form of IGF-II in the serum and tumor. Surgical resection was impossible, because of tumor dissemination. Hypoglycemia was repeated despite infusion of glucose and glucagon. Glucocorticoid dramatically and continuously abolished hypoglycemia. In cases of inoperable IGF-II-producing tumor, glucocorticoid therapy may be promising for hypoglycemia.
Intra-abdominal fibromatosis or desmoid tumors are rare forms of connective tissue cellular dysplasia characterized by proliferation of fibroblasts and abundant collagen. Most often these tumors associated with familial adenomatous polyposis or Gardner's syndrome. Those tumors not associated with polyposis are termed sporadic desmoids and tend to be locally aggressive in nature. Sporadic intra-abdominal desmoids involving the pancreas are quite rare, as only six previously reported cases exist. In this report we present a seventh case of a sporadic intraabdominal desmoid involving the pancreas. The patient, a 63-year-old white man, developed the desmoid tumor following a pylorus-preserving pancreaticoduodenectomy for an insulinoma. The patient was managed via further pancreatectomy, consisting of a distal pancreatectomy with en bloc splenectomy, sparing a 6-cm portion of pancreatic neck and proximal body. Finally, we present a complete review of the six previous cases of sporadic pancreatic fibromatosis.