A 59-year-old man underwent submandibular gland excision for salivary duct carcinoma (SDC). One year later, esophagogastroduodenoscopy indicated gastric diffuse mucosal thickening with luminal contraction, mimicking scirrhous gastric carcinoma. Biopsy specimens showed dense proliferation of neoplastic cells expressing androgen receptor and human epidermal growth factor 2, indicating SDC. Gastric diffuse infiltrative metastasis is generally characteristic of gastric metastasis from invasive ductal carcinoma, which shows histologic features similar to SDC. This is the first known report of gastric diffusely infiltrating metastasis in an SDC patient. Rapidly progressing, diffuse gastric wall thickening should also be considered indicative of salivary tumor-associated gastric metastasis.
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Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, JapanOsaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Nakazawa, K
Yashiro, M
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Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, JapanOsaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Yashiro, M
Hirakawa, K
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Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, JapanOsaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Fuyuhiro, Yuhiko
Yashiro, Masakazu
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Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Osaka City Univ, Grad Sch Med, Oncol Inst Geriatr & Med Sci, Osaka 5458585, JapanOsaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Yashiro, Masakazu
Noda, Satoru
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机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Noda, Satoru
Kashiwagi, Shinichiro
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机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Kashiwagi, Shinichiro
Matsuoka, Junko
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机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Matsuoka, Junko
Doi, Yosuke
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机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Doi, Yosuke
Kato, Yukihiro
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机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Kato, Yukihiro
Muguruma, Kazuya
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机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Muguruma, Kazuya
Sawada, Tetsuji
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机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan
Sawada, Tetsuji
Hirakawa, Kosei
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机构:Osaka City Univ, Grad Sch Med, Dept Surg Oncol, Abeno Ku, Osaka 5458585, Japan