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3. A case of mediastinal mesenchymal tumor with pericytic neoplasm feature that responded to radiation therapy.

Author

Muramoto, Miho, Kanda, Shintaro, Kobayashi, Takashi, Tamada, Hisashi, Fukazawa, Ayumu, Koiwai, Keiichirou, and Koizumi, Tomonobu

Subjects
BIOPSY, DIGESTIVE system endoscopic surgery, MEDIASTINAL tumors, SOFT tissue tumors, TREATMENT effectiveness, RESPIRATORY obstructions, CHEST pain, COMPUTED tomography, VIDEO-assisted thoracic surgery, SYMPTOMS
Abstract

Here, we report a case of mediastinal mesenchymal tumor with a pericytic neoplasm feature that responded to radiation therapy. A 43‐year‐old man visited our hospital with a complaint of esophageal obstruction and chest pain. Chest computed tomography revealed a middle mediastinal tumor and a mesenchymal tumor was diagnosed with a pericytic neoplasm feature by video‐assisted thoracoscopic biopsy. The definitive treatment for soft tissue tumor is surgical resection; however, the mediastinal tumor was unresectable because of esophageal and tracheal invasion. Radiation therapy was administered and there was a partial tumor response and 2 years disease‐free status. With a review of the literature, we discuss the clinical and pathological characteristics of this rare tumor and its treatment. [ABSTRACT FROM AUTHOR]

Published
2023
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4. Rare sphenoid ridge intracranial mature teratoma in an adult female

Author

Inojie, Moses Osaodion, Suzuki, Yota, Tamada, Hisashi, Ogihara, Naoki, Inomata, Yuki, Yako, Takehiro, Ohaegbulam, Samuel Chukwunoyerem, and Horiuchi, Tetsuyoshi

Subjects
intracranial tumor, mature teratoma, sphenoid ridge
Abstract

Intracranially located teratomas usually involve midline brain structures. However, they rarely occur in adults. A 26-year-old woman presented with a growing intracranial mass lesion in the left sphenoid ridge without neurological deficits. Magnetic resonance imaging revealed homogenous hyperintensities without contrast enhancement. The patient underwent gross total excision of the soft, yellowish sphenoid ridge tumor with no cystic component. The surgery was uneventful, with no intraoperative complications. Histological analysis revealed a mature teratoma. She attended regular outpatient neuroradiology follow-up appointments. The present case is an unusual example of a mature teratoma with regard to location, neuroimaging ap-pearance, macroscopic intraoperative findings, histological tumor subtype, and patient age and sex., This is an Open Access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Published
2021

7. Retroperitoneal Diffuse Large B-cell Lymphoma That Could Not Be Diagnosed Preoperatively Due to Atypical Imaging Findings: A Case Report

Author

Kimura, Dai, primary, Notake, Tuyoshi, additional, Shimizu, Akira, additional, Motoyama, Hiroaki, additional, Fukushima, Kentaro, additional, Hosoda, Kiyotaka, additional, Sakai, Hiroki, additional, Ikehara, Tomohiko, additional, Kobayashi, Satoshi, additional, Tamada, Hisashi, additional, and Soejima, Yuji, additional

Published
2021
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