Duodenal epithelial neoplasms complicating von Recklinghausen's disease: An immunohistochemical analysis in two patients

Eishi Nagai, Hiroaki Matsunaga, Kazuo Chijiiwa, Koji Yamaguchi, Masao Tanaka, Masazumi Tsuneyoshi

Research output: Contribution to journalArticle

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Abstract

The authors report two patients with von Recklinghausen's disease and carcinoid tumors of the duodenum; one patient, in addition, also showed complications of an adenocarcinoma of the ampulla of Vater and multiple schwannomas, while the other patient was associated with an leiomyoblastoma of the duodenum. Histologically, both carcinoid tumors demonstrated glandular structures and psammoma bodies. Immunohistochemically, both carcinoid tumors stained diffusely positive against somatostatin. Duodenal carcinoid tumors associated with von Recklinghausen disease are characterized by originating in an ampullary lesion, by the presence of glandular structures, psammoma bodies, or both, and by being rich in somatostatin. A high prevalence of duodenal carcinoids has previously been recognized in patients with von Recklinghausen's disease, however, the association of adenocarcinoma of the small intestine and von Recklinghausen's disease is extremely rare.

Original languageEnglish
Pages (from-to)229-240
Number of pages12
JournalInternational Journal of Surgical Pathology
Volume3
Issue number4
DOIs
Publication statusPublished - Apr 1996

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Duodenal Neoplasms
Neurofibromatosis 1
Glandular and Epithelial Neoplasms
Carcinoid Tumor
Somatostatin
Duodenum
Adenocarcinoma
Epithelioid Leiomyoma
Ampulla of Vater
Neurilemmoma
Small Intestine

All Science Journal Classification (ASJC) codes

  • Anatomy
  • Surgery
  • Pathology and Forensic Medicine

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Duodenal epithelial neoplasms complicating von Recklinghausen's disease : An immunohistochemical analysis in two patients. / Nagai, Eishi; Matsunaga, Hiroaki; Chijiiwa, Kazuo; Yamaguchi, Koji; Tanaka, Masao; Tsuneyoshi, Masazumi.

In: International Journal of Surgical Pathology, Vol. 3, No. 4, 04.1996, p. 229-240.

Research output: Contribution to journalArticle

Nagai, Eishi ; Matsunaga, Hiroaki ; Chijiiwa, Kazuo ; Yamaguchi, Koji ; Tanaka, Masao ; Tsuneyoshi, Masazumi. / Duodenal epithelial neoplasms complicating von Recklinghausen's disease : An immunohistochemical analysis in two patients. In: International Journal of Surgical Pathology. 1996 ; Vol. 3, No. 4. pp. 229-240.
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