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wrist and hand, distal radius/ulna

A 27 year old man with a four month history of a mass in his palm

Case Identification
Case ID Number: 
20091105CR
Benign/Malignant: 
unknown
Clinical case information
Case presentation: 

A 27 year old man presented with a four month history of a mass in his palm. He had no history of trauma. Examination showed a firm, fixed, slightly tender mass in the palm of his right dominant hand. The balance of the exam and the laboratory results were unremarkable.

Differential Diagnosis: 
The differential should include surface lesions that form bone, such as osteochondroma, exostosis, heterotopic ossification, bizarre parosteal osteocartilagenous proliferation, periosteal osteosarcoma, parosteal osteosarrcoma, and periosteal chondroma.

Aneurysmal Bone Cyst

Aneurysmal bone cyst (ABC) is a solitary, expansile and erosive lesion of bone. The cause of this non-neoplastic lesion is unknown.
Most patients are under 20, but the tumor can occur at any age.
The tumor presents with pain for several weeks with local swelling. Any bone may be involved, but the most common sites include the long bones and the posterior parts of the spinal vertebra.On xrays, the lesion has a destructive, lytic, and expansile appearance.
Most ABC's are sucessfully treated with curettage and packing with bone chips or bone cement.

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Bizarre Osteochondromatous Proliferación Parosteal

Bizarre parosteal proliferación osteochondromatous (BPOP) es una lesión rara que ocurre más comúnmente en las manos y los pies.
Este tumor se presenta en adultos en sus 20's y 30's
Hay una historia de una masa ligeramente dolorosa En las radiografías simples, una masa ósea con márgenes bien definidos se considera que debe aplicarse a la superficie del hueso
La extirpación completa con el margen óptimo es el tratamiento de elección.

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Bizarre Parosteal Osteochondromatous Proliferation

Bizarre parosteal osteochondromatous proliferation (BPOP) is a rare lesion that occurs most commonly in the hands and feet.
This tumor occurs in adults in their 20's and 30's
There is a history of a mildly painful massOn plain radiographs, a bony mass with well defined margins is seen to be applied to the surface of the bone
Complete excision with the best possible margin is the treatment of choice.

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