PMID- 1684256 OWN - NLM STAT- MEDLINE DCOM- 19920123 LR - 20190912 IS - 0174-7398 (Print) IS - 0174-7398 (Linking) VI - 419 IP - 5 DP - 1991 TI - Parathyroid gastrin and parathormone-producing tumour in the Zollinger-Ellison syndrome of MEN 1 origin. PG - 433-7 AB - A case of Zollinger-Ellison syndrome of multiple endocrine neoplasia type 1 (MEN 1) origin with hyperparathyroidism and with a rise in serum gastrin due to an unusual parathyroid "gastrinoma" has been investigated. The patient had multiple endocrine tumours (pituitary and parathyroid), but no evidence of pancreatic or duodenal gastrin-producing neoplasm. Radio-immunoassay, immunohistochemistry and electron microscopy showed gastrin in one parathyroid adenoma. These findings, together with a decrease of gastrinaemia after parathyroidectomy suggest that true gastrin was produced by parathyroid tumour cells and that they themselves may be the origin of the hypergastrinaemia. Our ultrastructural investigation extends these observations and the results are discussed. FAU - Santini, D AU - Santini D AD - Istituto di Anatomia Patologica, Policlinico S. Orsola, Universita di Bologna, Italy. FAU - Pasquinelli, G AU - Pasquinelli G FAU - D'Alessandro, L AU - D'Alessandro L FAU - Mazzoleni, G AU - Mazzoleni G FAU - Taffurelli, M AU - Taffurelli M FAU - Campione, O AU - Campione O FAU - Marrano, D AU - Marrano D FAU - Martinelli, G N AU - Martinelli GN LA - eng PT - Case Reports PT - Journal Article PL - Germany TA - Virchows Arch A Pathol Anat Histopathol JT - Virchows Archiv. A, Pathological anatomy and histopathology JID - 8302198 RN - 0 (Gastrins) RN - 0 (Parathyroid Hormone) SB - IM MH - Adenoma/metabolism MH - Female MH - Gastrins/*metabolism MH - Humans MH - Immunohistochemistry MH - Microscopy, Electron MH - Middle Aged MH - Multiple Endocrine Neoplasia/*complications MH - Parathyroid Glands/*metabolism MH - Parathyroid Hormone/*metabolism MH - Parathyroid Neoplasms/metabolism MH - Zollinger-Ellison Syndrome/etiology/*metabolism/pathology EDAT- 1991/01/01 00:00 MHDA- 1991/01/01 00:01 CRDT- 1991/01/01 00:00 PHST- 1991/01/01 00:00 [pubmed] PHST- 1991/01/01 00:01 [medline] PHST- 1991/01/01 00:00 [entrez] AID - 10.1007/BF01605078 [doi] PST - ppublish SO - Virchows Arch A Pathol Anat Histopathol. 1991;419(5):433-7. doi: 10.1007/BF01605078.