Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology

The rib is an unusual location for osteosarcoma and is reported in only 2% of all cases. The major histological variants of osteosarcoma are osteoblastic, chondroblastic, and fibroblastic, with a few rare variants including one epithelioid type. This report describes a 44-year-old male with an osteo...

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Autor principal:	Sun-Ju Oh
Formato:	article
Lenguaje:	EN KO
Publicado:	Korean Society of Pathologists & the Korean Society for Cytopathology 2021
Materias:	osteosarcoma ribs epithelioid rosette Pathology RB1-214
Acceso en línea:	https://doaj.org/article/24ec7dc8a9bc49879ff038d5670e0b21
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spelling	oai:doaj.org-article:24ec7dc8a9bc49879ff038d5670e0b212021-11-18T05:29:08ZRosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology2383-78372383-784510.4132/jptm.2021.06.22https://doaj.org/article/24ec7dc8a9bc49879ff038d5670e0b212021-11-01T00:00:00Zhttp://www.jpatholtm.org/upload/pdf/jptm-2021-06-22.pdfhttps://doaj.org/toc/2383-7837https://doaj.org/toc/2383-7845The rib is an unusual location for osteosarcoma and is reported in only 2% of all cases. The major histological variants of osteosarcoma are osteoblastic, chondroblastic, and fibroblastic, with a few rare variants including one epithelioid type. This report describes a 44-year-old male with an osteolytic mass in the right seventh rib. Histological examination revealed osteosarcoma with unique features of epithelioid appearance and rosette structures. To the best of our knowledge, this is the first reported case of a rosette-forming osteosarcoma of the rib that showed epithelioid morphology. Despite successful surgery, the patient’s prognosis was poor because this malignancy had an unusual location within the axial skeleton and was a rare histological variant.Sun-Ju OhKorean Society of Pathologists & the Korean Society for CytopathologyarticleosteosarcomaribsepithelioidrosettePathologyRB1-214ENKOJournal of Pathology and Translational Medicine, Vol 55, Iss 6, Pp 406-409 (2021)
institution	DOAJ
collection	DOAJ
language	EN KO
topic	osteosarcoma ribs epithelioid rosette Pathology RB1-214
spellingShingle	osteosarcoma ribs epithelioid rosette Pathology RB1-214 Sun-Ju Oh Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology
description	The rib is an unusual location for osteosarcoma and is reported in only 2% of all cases. The major histological variants of osteosarcoma are osteoblastic, chondroblastic, and fibroblastic, with a few rare variants including one epithelioid type. This report describes a 44-year-old male with an osteolytic mass in the right seventh rib. Histological examination revealed osteosarcoma with unique features of epithelioid appearance and rosette structures. To the best of our knowledge, this is the first reported case of a rosette-forming osteosarcoma of the rib that showed epithelioid morphology. Despite successful surgery, the patient’s prognosis was poor because this malignancy had an unusual location within the axial skeleton and was a rare histological variant.
format	article
author	Sun-Ju Oh
author_facet	Sun-Ju Oh
author_sort	Sun-Ju Oh
title	Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology
title_short	Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology
title_full	Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology
title_fullStr	Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology
title_full_unstemmed	Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology
title_sort	rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology
publisher	Korean Society of Pathologists & the Korean Society for Cytopathology
publishDate	2021
url	https://doaj.org/article/24ec7dc8a9bc49879ff038d5670e0b21
work_keys_str_mv	AT sunjuoh rosetteformingepithelioidosteosarcomaintheribararecaseoflocationandmorphology
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Rosette-forming epithelioid osteosarcoma in the rib: a rare case of location and morphology

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