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Chondroblastoma of the distal femoral metaphysis: A case report with emphasis on imaging findings and differential diagnosis

Chondroblastoma is a rare benign tumor, consisting of tissue resembling foetal cartilage, and arising in the epiphyses, or apophyses of long tubular bone. However, chondroblastoma of the cortex of the long bone metaphysis is extremely rare. A 15-year-old girl presented a 10-month history of intermit...

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Autores principales: Wang, Fang, Li, Jizhen, Yu, Dexin, Wang, Qing
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wolters Kluwer Health 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5944485/
https://www.ncbi.nlm.nih.gov/pubmed/29702979
http://dx.doi.org/10.1097/MD.0000000000010336
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author Wang, Fang
Li, Jizhen
Yu, Dexin
Wang, Qing
author_facet Wang, Fang
Li, Jizhen
Yu, Dexin
Wang, Qing
author_sort Wang, Fang
collection PubMed
description Chondroblastoma is a rare benign tumor, consisting of tissue resembling foetal cartilage, and arising in the epiphyses, or apophyses of long tubular bone. However, chondroblastoma of the cortex of the long bone metaphysis is extremely rare. A 15-year-old girl presented a 10-month history of intermittent knee pain and without mobility limitation. X ray, computed tomography (CT), and magnetic resonance imaging (MRI) showed a slightly expansile lytic lesion involving the metaphyseal cortex of the left distal femur. During histological examination, typical features of chondroblastoma were observed. Chondroblastoma was definitely and histologically diagnosed. Surgical procedures included intralesional tumor curettage and allograft bone implantation. The patient was discharged without any complications 1 week after surgery and there was no recurrence during a 10-month follow-up. This report describes a case of chondroblastoma in the metaphyseal cortex of the distal femur and serves as a reminder of the atypical anatomic location of chondroblastoma. Patients in an appropriate age group with typical imaging features may be diagnosed with chondroblastoma despite its rare location.
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spelling pubmed-59444852018-05-15 Chondroblastoma of the distal femoral metaphysis: A case report with emphasis on imaging findings and differential diagnosis Wang, Fang Li, Jizhen Yu, Dexin Wang, Qing Medicine (Baltimore) Research Article Chondroblastoma is a rare benign tumor, consisting of tissue resembling foetal cartilage, and arising in the epiphyses, or apophyses of long tubular bone. However, chondroblastoma of the cortex of the long bone metaphysis is extremely rare. A 15-year-old girl presented a 10-month history of intermittent knee pain and without mobility limitation. X ray, computed tomography (CT), and magnetic resonance imaging (MRI) showed a slightly expansile lytic lesion involving the metaphyseal cortex of the left distal femur. During histological examination, typical features of chondroblastoma were observed. Chondroblastoma was definitely and histologically diagnosed. Surgical procedures included intralesional tumor curettage and allograft bone implantation. The patient was discharged without any complications 1 week after surgery and there was no recurrence during a 10-month follow-up. This report describes a case of chondroblastoma in the metaphyseal cortex of the distal femur and serves as a reminder of the atypical anatomic location of chondroblastoma. Patients in an appropriate age group with typical imaging features may be diagnosed with chondroblastoma despite its rare location. Wolters Kluwer Health 2018-04-27 /pmc/articles/PMC5944485/ /pubmed/29702979 http://dx.doi.org/10.1097/MD.0000000000010336 Text en Copyright © 2018 the Author(s). Published by Wolters Kluwer Health, Inc. http://creativecommons.org/licenses/by-nd/4.0 This is an open access article distributed under the Creative Commons Attribution-NoDerivatives License 4.0, which allows for redistribution, commercial and non-commercial, as long as it is passed along unchanged and in whole, with credit to the author. http://creativecommons.org/licenses/by-nd/4.0
spellingShingle Research Article
Wang, Fang
Li, Jizhen
Yu, Dexin
Wang, Qing
Chondroblastoma of the distal femoral metaphysis: A case report with emphasis on imaging findings and differential diagnosis
title Chondroblastoma of the distal femoral metaphysis: A case report with emphasis on imaging findings and differential diagnosis
title_full Chondroblastoma of the distal femoral metaphysis: A case report with emphasis on imaging findings and differential diagnosis
title_fullStr Chondroblastoma of the distal femoral metaphysis: A case report with emphasis on imaging findings and differential diagnosis
title_full_unstemmed Chondroblastoma of the distal femoral metaphysis: A case report with emphasis on imaging findings and differential diagnosis
title_short Chondroblastoma of the distal femoral metaphysis: A case report with emphasis on imaging findings and differential diagnosis
title_sort chondroblastoma of the distal femoral metaphysis: a case report with emphasis on imaging findings and differential diagnosis
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5944485/
https://www.ncbi.nlm.nih.gov/pubmed/29702979
http://dx.doi.org/10.1097/MD.0000000000010336
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