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Sarcomatous transformation of osteochondroma of the coronoid process forming pseudoarthrosis with zygomatic arch mistaken for Jacob disease.
J Craniofac Surg. 2014; 25(2):e101-2.JC

Abstract

Osteochondromas are the most common benign osseous neoplasms, with a propensity to involve long bones. The involvement of the coronoid process is extremely rare, and osteochondromas of the coronoid process may form pseudoarticulations with the zygomatic arch when large, an entity that is extremely rare and termed as Jacob disease. Sarcomatous degeneration of osteochondroma of the coronoid process is an extremely rare entity and has not been described to date. Only 1 case of primary mesenchymal chondrosarcoma has been described. We present a case of a 24-year-old man with a chondrosarcoma of the coronoid process, who was wrongly diagnosed with Jacob disease on the basis of radiologic findings.

Authors+Show Affiliations

From the Departments of *Radiodiagnosis, and †General Surgery, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh, India.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

24448526

Citation

Jha, Abhishek, et al. "Sarcomatous Transformation of Osteochondroma of the Coronoid Process Forming Pseudoarthrosis With Zygomatic Arch Mistaken for Jacob Disease." The Journal of Craniofacial Surgery, vol. 25, no. 2, 2014, pp. e101-2.
Jha A, Gupta P, Khalid M, et al. Sarcomatous transformation of osteochondroma of the coronoid process forming pseudoarthrosis with zygomatic arch mistaken for Jacob disease. J Craniofac Surg. 2014;25(2):e101-2.
Jha, A., Gupta, P., Khalid, M., Naseem, I., & Gupta, G. (2014). Sarcomatous transformation of osteochondroma of the coronoid process forming pseudoarthrosis with zygomatic arch mistaken for Jacob disease. The Journal of Craniofacial Surgery, 25(2), e101-2. https://doi.org/10.1097/SCS.0000000000000409
Jha A, et al. Sarcomatous Transformation of Osteochondroma of the Coronoid Process Forming Pseudoarthrosis With Zygomatic Arch Mistaken for Jacob Disease. J Craniofac Surg. 2014;25(2):e101-2. PubMed PMID: 24448526.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Sarcomatous transformation of osteochondroma of the coronoid process forming pseudoarthrosis with zygomatic arch mistaken for Jacob disease. AU - Jha,Abhishek, AU - Gupta,Prakhar, AU - Khalid,Mohd, AU - Naseem,Iqbal, AU - Gupta,Gagan, PY - 2014/1/23/entrez PY - 2014/1/23/pubmed PY - 2015/10/6/medline SP - e101 EP - 2 JF - The Journal of craniofacial surgery JO - J Craniofac Surg VL - 25 IS - 2 N2 - Osteochondromas are the most common benign osseous neoplasms, with a propensity to involve long bones. The involvement of the coronoid process is extremely rare, and osteochondromas of the coronoid process may form pseudoarticulations with the zygomatic arch when large, an entity that is extremely rare and termed as Jacob disease. Sarcomatous degeneration of osteochondroma of the coronoid process is an extremely rare entity and has not been described to date. Only 1 case of primary mesenchymal chondrosarcoma has been described. We present a case of a 24-year-old man with a chondrosarcoma of the coronoid process, who was wrongly diagnosed with Jacob disease on the basis of radiologic findings. SN - 1536-3732 UR - https://www.unboundmedicine.com/medline/citation/24448526/Sarcomatous_transformation_of_osteochondroma_of_the_coronoid_process_forming_pseudoarthrosis_with_zygomatic_arch_mistaken_for_Jacob_disease_ L2 - http://dx.doi.org/10.1097/SCS.0000000000000409 DB - PRIME DP - Unbound Medicine ER -