A Case of Duodenal Neuroendocrine Tumor Accompanied by Gastrointestinal Stromal Tumors in Type 1 Neurofibromatosis Complicated by Life-Threatening Vascular Lesions

Naoki Makita; Masato Kayahara; Shunsuke Kano; Masayoshi Munemoto; Yasumichi Yagi; Ichiro Onishi; Atsuhiro Kawashima

doi:10.12659/AJCR.927562

11 January 2021 : Case report Japan

A Case of Duodenal Neuroendocrine Tumor Accompanied by Gastrointestinal Stromal Tumors in Type 1 Neurofibromatosis Complicated by Life-Threatening Vascular Lesions

Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Rare disease, Adverse events of drug therapy, Educational Purpose (only if useful for a systematic review or synthesis)

Naoki Makita^1ABCDEF*, Masato Kayahara^1BDEF, Shunsuke Kano^1D, Masayoshi Munemoto^1D, Yasumichi Yagi^1D, Ichiro Onishi^1DF, Atsuhiro Kawashima^2CD

DOI: 10.12659/AJCR.927562

Am J Case Rep 2021; 22:e927562

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Figure 3. Hematoxylin and eosin staining of tumor invasion in the duodenum (original magnification ×100) (A). On immunohistochemistry, the main tumor cells stained positive with chromogranin A (B) and synaptophysin (original magnification ×200) (C).

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A Case of Duodenal Neuroendocrine Tumor Accompanied by Gastrointestinal Stromal Tumors in Type 1 Neurofibromatosis Complicated by Life-Threatening Vascular Lesions

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