Imaging: On x-ray – typical aspect of an osteochondroma with more abundant calcifications or ossifications, intense, and diffused radiopacities, with thicker superficial uncalcified layer and with fuzzy margins towards the…
Location: Deep soft tissues of the thigh and buttocks. Clinical: Progressively enlarging painless mass. Imaging: X-rays, CT, and MRI reveal a large deep-seated soft tissue mass with variable mineralization. By…
Location: Any soft tissue site can be involved, but most common are the paravertebral region, retroperitoneum, and chest wall, followed by the extremities. Clinical: Large, destructive mass. Histopathology: Grossly it…
Location: Among the most frequent sarcomas occurring in the hand and forearm. Palmar region of the hand, dorsal region of the forearm, plantar aspect of the foot, anterior region of…
Location: The most frequent sites are the lower limbs, followed by upper limbs and limb girdles. Rare in trunk, head and neck, and hands and feet. Most cases described in…
Location: Lower limb (thigh), retroperitoneum, pelvic region, upper limb, trunk, head, and neck. Deeply located. Clinical: Slow enlarging painless mass, increased skin temperature, telangiectasia, unilateral varicose veins, pulsation, audible bruit,…
Localization: Diaphysis of the long bones. The tibia is affected in 80 % of cases. Followed by the fibula, femur, humerus, ulna, and radius. Exceptional in the soft tissues of…
Location: Trunk, groin, and proximal extremities. Clinical: Nodular or plaque-like painless cutaneous tumor, slowly growing. Diagnosis: A well-defined superficial tumor. On MRI, in T1 usually iso- or hypointense to skeletal…
Clinical: Deep, painless, firm or hard, and poorly circumscribed mass that may be adherent to the skin or bone and that grows insidiously and slowly for several months. Tumor mass…
Location: Foot, ankle, knee, and upper limb. Clinical: Slowly growing, moderate size, painless, globose mass. Diagnosis: On MRI, elliptical, smoothly outlined mass, slightly or markedly hyperintense on T1, white lesion…
