Extraskeletal Osteochondroma in the Nape of the Neck: A Case Report

Extraskeletal osteochondroma in the nape of the neck is rare and its pathological diagnosis is based on radiological and histopathological examination. It is vital that such a diagnosis be considered when a discrete, ossified mass is localised in soft tissues, even at atypical sites. Differential di...

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Bibliographic Details
Published in:Journal of orthopaedic surgery (Hong Kong) 2006-08, Vol.14 (2), p.192-195
Main Authors: Singh, R, Sharma, AK, Magu, NK, Kaur, KP, Sen, R, Magu, S
Format: Article
Language:English
Subjects:
Adult
Bones
Case studies
Diagnosis, Differential
Head and Neck Neoplasms - diagnosis
Head and Neck Neoplasms - diagnostic imaging
Head and Neck Neoplasms - pathology
Head and Neck Neoplasms - surgery
Humans
Male
Osteochondroma - diagnosis
Osteochondroma - diagnostic imaging
Osteochondroma - pathology
Osteochondroma - surgery
Physical examinations
Soft Tissue Neoplasms - diagnosis
Soft Tissue Neoplasms - diagnostic imaging
Soft Tissue Neoplasms - pathology
Soft Tissue Neoplasms - surgery
Tissues
Tomography, X-Ray Computed
Tumors
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Summary:Extraskeletal osteochondroma in the nape of the neck is rare and its pathological diagnosis is based on radiological and histopathological examination. It is vital that such a diagnosis be considered when a discrete, ossified mass is localised in soft tissues, even at atypical sites. Differential diagnoses include myositis ossificans, a lipomatous lesion, a pseudomalignant osseous tumour, an ossifying fibromyxoid tumour, an extraskeletal chondroma with endochondral ossification, synovial (osteo) chondromatosis, tumoural calcinosis, a synovial sarcoma, and an extraskeletal osteosarcoma. Clinical awareness of this benign entity is important as no malignant transformation or metastasis has been reported. Marginal excision with histopathological identification is the treatment of choice.
ISSN:1022-5536
2309-4990
DOI:10.1177/230949900601400217