Gangliocytic paragangliomas (GPs) are exceedingly rare tumors that arise in close proximity of the papillaof Vater. Nevertheless, jaundice is an uncommon presenting symptom, reported in only 3 of 125 casesdescribed in the literature to date, with gastrointestinal bleeding being more common.Association between GPs and neurofibromatosis 1 (NF-1), described in two patients, may be more thancasual, being the frequency in normal population 1:3000.We report an additional case of this association, presenting for the first time with simultaneous obstructionof the common biliary duct, and of the main pancreatic duct. Previous cases of GPs with jaundice and/orNF-1 are reviewed, and updating of the histogenesis presented.
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World J Clin Oncol
September 2024
Clinical School of the Second People's Hospital, Tianjin Medical University, Tianjin 300192, China.
Int J Mol Sci
September 2022
Department of Internal Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania.
Neuroendocrine tumors (NEN) are a type of heterogenous, slow-growing tumors, that only in about half of the cases can be found in the gastrointestinal tract. Half of these is in the small intestine. The ampullary NENs are rare, accounting for less than 1% of gastroenteropancreatic NENs.
View Article and Find Full Text PDFAm Surg
January 2021
Department of Surgery, Ralph H. Johnson VA Medical Center, Charleston, SC, USA.
Neurofibromatosis type I (NF1) is an autosomal dominant genetic disorder associated with characteristic skin findings, as well as a fourfold increase in risk of malignancy. NF1 patient malignancies commonly include the central and peripheral nervous system, but these patients are also at high risk of developing gastrointestinal (GI) tumors. While most often these GI tumors are benign upper GI neurofibromas; clinicians should have a high suspicion for malignant tumors, degeneration into a malignant peripheral nerve sheath tumor or less common associated malignancies such as well-differentiated neuroendocrine tumor (formerly carcinoid tumor), when patients present with multiple GI tumors.
View Article and Find Full Text PDFKorean J Gastroenterol
October 2019
Department of Surgery, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea.
Neurofibromatosis type 1 (NF1) is an autosomal dominant hereditary disorder. The pathogenesis of NF1 is suggested to be an alteration of the gene, which normally functions as a tumor suppressor. A mutation of causes the development of viable tumors in various sites.
View Article and Find Full Text PDFDiagn Pathol
July 2019
Department of Surgery, University Hospital Brno, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
Background: Neurofibromatosis type-1 (NF1), also called von Recklinghausen disease, is a rare genetic disease which can lead to the development of benign or even malignant tumors. NF1 is mostly diagnosed in children or early adolescents who present with clinical symptoms. A curative therapy is still missing and the management of NF1 is based on careful surveillance.
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