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Mixed Small Cell Carcinoma and Adenocarcinoma of the Esophagus: A Case Report

Author(s): Tasneem Dawood, Muhammad Nauman Zahir, Bilal Mazhar Qureshi, Zeeshan Uddin, Yasmin Abdul Rashid, Adnan Abdul Jabbar

Background: Small cell carcinoma is an aggressive malignant tumor characterized by small-sized cells with scant cytoplasm, nuclei with finely granular chromatin and absent nucleoli, and a high mitotic count. The most common site is the lung which comprises 10-15 percent of all lung cancers. Rare sites of small cell carcinoma include the uterus, cervix, prostate, larynx, sweat glands, and gastrointestinal tract. No matter the site, it is an aggressive disease and is usually associated with a poor prognosis.

Case Summary: We report the case of a 31-year-old gentleman, diagnosed with mixed small cell carcinoma and adenocarcinoma of the esophagus. He presented to our clinic with complaints of progressive dysphagia, cough, and weight loss for the last 6 months. An initial endoscopic biopsy was done, it was suspicious of mixed small cell carcinoma and adenocarcinoma of the esophagus which was reconfirmed by our histopathologist. MRI brain was negative. He was treated aggressively with Cisplatin and Etoposide-based concurrent chemo-radiation. He received 4 cycles of chemotherapy and 28 fractions of radiation sandwiched between cycles 2 and 4 of chemotherapy. He has been on surveillance since April 2019 and his most recent scan and upper GI endoscopy from May 2019 confirm that the disease is in remission.

Conclusion: Mixed Small cell carcinoma and adenocarcinoma of the esophagus is an extremely unique, aggressive, and swiftly progressive disease, prone to distant metastasis and poor prognosis if left untreated. Treatment should be aggressive and commenced as soon as possible. Multi-modality management should be considered the current standard of care, to achieve both local and distant disease control.

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Impact Factor: * 3.1

CiteScore: 2.9

Acceptance Rate: 11.01%

Time to first decision: 10.4 days

Time from article received to acceptance: 2-3 weeks

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    Editor In Chief

    Yasuo Iwasaki

  • Division of Neurology, Department of Internal Medicine
    Toho University School of Medicine
    Ota-ku, Tokyo, Japan

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