Childhood soft tissue chondroma. Two cases report
Department of Pediatric Orhtopedic Surgery, Children Hospital - Tunis, Tunisia. La Tunisie médicale
Soft tissue chondroma is a rare benign tumour, which is generally seen in adult. It consists of islands of heterotopic cartilaginous tissue and most localised on the hands and the feet. The hypothesis that microtrauma is involved in the aetiology of this condition has yet to find any factual support.
To report two paediatric cases of soft tissue chondroma.
The first is a soft tissue chondroma of the posterior aspect of the left axilla in a 3-year-old boy. CT scans showed a spherical fatty density soft tissue mass without evident calcifications, attaching the infraspinous muscle. The second patient is a 9-year-old girl presented with a right auricular finger soft tissue chondroma. Radiographs showed several punctuated calcifications with adjacent bone scalloping. MRI revealed a lobulated soft tissue mass attaching the flexor tendons. The tumours were entirely removed. Histological examination showed cartilaginous tissue in both cases. At follow-up, the patients had good functions without evidence of recurrence.
Simple excision should suffice to treat soft tissue chondroma but care should be taken to make the excision complete if recurrence are to be avoided.
Available from: Daniel J Podberesky
- "To our knowledge this is the first report case of an extraskeletal chondroma of the axilla in an adolescent confirmed by histopathology to undergo MRI evaluation. Only one other case of extraskeletal chondroma located in the axilla has been reported in a child in the literature . When a well-demarcated soft tissue mass with typical central calcifications or areas of ossification is seen on conventional radiography and/or CT, extraskeletal chondroma might be considered in the differential diagnosis. "
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ABSTRACT: Extraskeletal chondroma is a benign cartilaginous tumor that occurs predominantly in the soft tissues near small joints of the hands and feet. There are rare reports of the lesion in other sites, such as the head, neck, trunk, oral cavity, larynx, and pharynx. We present a case of an axillary mass in a 15-year-old girl who underwent MRI examination and resection, with the ultimate diagnosis of an extraskeletal chondroma, in order to expand the differential diagnosis of an axillary soft tissue mass in an adolescent.
Available from: Prashant Goyal
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ABSTRACT: Soft tissue chondromas are uncommon benign tumors found mostly in the hands and feet and rarely reported in the pediatric population. In this case presentation we describe a 10year old boy who had an MRI for facial paralysis due to Ramsey Hunt Syndrome, which incidentally revealed a parapharyngeal mass. He underwent transoral resection of the mass without complication, and histopathology confirmed the diagnosis of soft tissue chondroma. This case is unique due to the unusual location of the tumor and its presentation in a child.
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