Synchronous Primary Parosteal Osteosarcoma and Primary Mediastinal Germ Cell Tumour with Atypical Mycobacterial Infection – A Rare Phenomenon: A Case Report

Mediastinal germ cell tumours are a rare group of extragonadal germ cell tumours with less than 5% prevalence of all germ cell tumours. Primary mediastinal germ cell tumours themselves account for 16-36% of the extragonadal germ cell tumours. Along the spectrum of osteosarcoma, parosteal osteosarc...

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Main Authors: Lim CH, Mohamed-Haflah NH, Abdullah-Sani MH, Loh CK, Rahman MR
Format: Article
Language:English
Published: Malaysian Orthopaedic Association 2023-03-01
Series:Malaysian Orthopaedic Journal
Subjects:
Online Access:http://morthoj.org/2023/v17n1/mediastinal-germ-cell.pdf
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author Lim CH
Mohamed-Haflah NH
Abdullah-Sani MH
Loh CK
Rahman MR
author_facet Lim CH
Mohamed-Haflah NH
Abdullah-Sani MH
Loh CK
Rahman MR
author_sort Lim CH
collection DOAJ
description Mediastinal germ cell tumours are a rare group of extragonadal germ cell tumours with less than 5% prevalence of all germ cell tumours. Primary mediastinal germ cell tumours themselves account for 16-36% of the extragonadal germ cell tumours. Along the spectrum of osteosarcoma, parosteal osteosarcoma is a well- differentiated surface osteosarcoma with a prevalence of 4% of all osteosarcoma. As such synchronous primary parosteal osteosarcoma and primary mediastinal germ cell tumour are exceedingly rare. This leads to complexity in determining the most appropriate chemotherapy for two different types of tumours and its potential side effects of reduced immunity leading to potential secondary infection. Here we report a case of a 16-year-old boy who presented with synchronous primary osteosarcoma and primary mediastinal germ cell tumour, complicated with atypical mycobacterial infection post-operatively. Additionally, we discuss our choice of chemotherapy and the management of the atypical mycobacterial infection.
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spelling doaj.art-0ed1208077374617b4794685c1c70a812023-05-29T05:47:45ZengMalaysian Orthopaedic AssociationMalaysian Orthopaedic Journal1985-25332232-111X2023-03-0117118819210.5704/MOJ.2303.023Synchronous Primary Parosteal Osteosarcoma and Primary Mediastinal Germ Cell Tumour with Atypical Mycobacterial Infection – A Rare Phenomenon: A Case ReportLim CH0Mohamed-Haflah NH1Abdullah-Sani MH2Loh CK3Rahman MR4 Department of Orthopaedic and Traumatology, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia Department of Orthopaedic and Traumatology, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia Department of Orthopaedic and Traumatology, Universiti Kebangsaan Malaysia, Kuala Lumpur, MalaysiaDepartment of Paediatrics, Universiti Kebangsaan Malaysia, Kuala Lumpur, MalaysiaDepartment of Surgery, Universiti Kebangsaan Malaysia, Kuala Lumpur, MalaysiaMediastinal germ cell tumours are a rare group of extragonadal germ cell tumours with less than 5% prevalence of all germ cell tumours. Primary mediastinal germ cell tumours themselves account for 16-36% of the extragonadal germ cell tumours. Along the spectrum of osteosarcoma, parosteal osteosarcoma is a well- differentiated surface osteosarcoma with a prevalence of 4% of all osteosarcoma. As such synchronous primary parosteal osteosarcoma and primary mediastinal germ cell tumour are exceedingly rare. This leads to complexity in determining the most appropriate chemotherapy for two different types of tumours and its potential side effects of reduced immunity leading to potential secondary infection. Here we report a case of a 16-year-old boy who presented with synchronous primary osteosarcoma and primary mediastinal germ cell tumour, complicated with atypical mycobacterial infection post-operatively. Additionally, we discuss our choice of chemotherapy and the management of the atypical mycobacterial infection.http://morthoj.org/2023/v17n1/mediastinal-germ-cell.pdfgerm cell tumourmediastinalparosteal osteosarcomasynchronoustuberculosis
spellingShingle Lim CH
Mohamed-Haflah NH
Abdullah-Sani MH
Loh CK
Rahman MR
Synchronous Primary Parosteal Osteosarcoma and Primary Mediastinal Germ Cell Tumour with Atypical Mycobacterial Infection – A Rare Phenomenon: A Case Report
Malaysian Orthopaedic Journal
germ cell tumour
mediastinal
parosteal osteosarcoma
synchronous
tuberculosis
title Synchronous Primary Parosteal Osteosarcoma and Primary Mediastinal Germ Cell Tumour with Atypical Mycobacterial Infection – A Rare Phenomenon: A Case Report
title_full Synchronous Primary Parosteal Osteosarcoma and Primary Mediastinal Germ Cell Tumour with Atypical Mycobacterial Infection – A Rare Phenomenon: A Case Report
title_fullStr Synchronous Primary Parosteal Osteosarcoma and Primary Mediastinal Germ Cell Tumour with Atypical Mycobacterial Infection – A Rare Phenomenon: A Case Report
title_full_unstemmed Synchronous Primary Parosteal Osteosarcoma and Primary Mediastinal Germ Cell Tumour with Atypical Mycobacterial Infection – A Rare Phenomenon: A Case Report
title_short Synchronous Primary Parosteal Osteosarcoma and Primary Mediastinal Germ Cell Tumour with Atypical Mycobacterial Infection – A Rare Phenomenon: A Case Report
title_sort synchronous primary parosteal osteosarcoma and primary mediastinal germ cell tumour with atypical mycobacterial infection a rare phenomenon a case report
topic germ cell tumour
mediastinal
parosteal osteosarcoma
synchronous
tuberculosis
url http://morthoj.org/2023/v17n1/mediastinal-germ-cell.pdf
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AT abdullahsanimh synchronousprimaryparostealosteosarcomaandprimarymediastinalgermcelltumourwithatypicalmycobacterialinfectionararephenomenonacasereport
AT lohck synchronousprimaryparostealosteosarcomaandprimarymediastinalgermcelltumourwithatypicalmycobacterialinfectionararephenomenonacasereport
AT rahmanmr synchronousprimaryparostealosteosarcomaandprimarymediastinalgermcelltumourwithatypicalmycobacterialinfectionararephenomenonacasereport