Collision tumor of small cell carcinoma and squamous cell carcinoma of the maxillary sinus: Case report

被引：4

作者：

Sugianto, Irfan ^{[1
]}

Yanagi, Yoshinobu ^{[2
]}

Hisatomi, Miki ^{[3
]}

Okada, Shunsuke ^{[3
]}

Takeshita, Yohei ^{[4
]}

Bamgbose, Babatunde Olamide ^{[4
]}

Asaumi, Junichi ^{[3
,4
]}

机构：

[1] Hasanuddin Univ, Fac Dent, Dept Oral Radiol, Jl Perintis Kemerdekaan Km 10, Makassar 90245, Sulawesi, Indonesia

[2] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Dent Informat, Okayama 7008558, Japan

[3] Okayama Univ Hosp, Dept Oral Diag & Dentomaxillofacial Radiol, Okayama 7008558, Japan

[4] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Oral & Maxillofacial Radiol, Okayama 7008558, Japan

来源：

MOLECULAR AND CLINICAL ONCOLOGY | 2022年 / 16卷 / 05期

关键词：

multiple primary neoplasms; small cell carcinoma; squamous cell carcinoma; maxillary sinus; magnetic resonance imaging; NEUROENDOCRINE CARCINOMA; LYMPHOMA; LARYNX; MRI;

D O I：

10.3892/mco.2022.2529

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

A collision tumor refers to the coexistence of two diagnostically distinct tumors in a common anatomic space. Collision tumors are rare in the oral and maxillofacial region. The present study reported on the case of an 82-year-old female with a collision tumor in the maxillary sinus consisting of small cell carcinoma (SmCC) and squamous cell carcinoma (SCC). Computed tomography (CT) imaging revealed a mass in the right maxillary sinus. The lesion exhibited heterogeneous low signal intensity (SI) on T1-weighted imaging (T1WI), high SI on short T1 inversion recovery and heterogeneous solid enhancement on contrast-enhanced T1WI. The histopathology result of a biopsy specimen confirmed SmCC. After the patient received a course of chemoradiotherapy, follow-up CT revealed a residual tumor. In a second surgery, a remaining tumor and histopathology revealed SCC with no evidence of SmCC. The final diagnosis was a collision tumor made up of SCC and SmCC.

引用

页数：4

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