Clinical: Superficial (cutaneous/subcutaneous) hemangiomas are reddish-wine-colored painless lesions, generally present at birth. Intramuscular hemangioma arises within the belly of a single muscle; only in the hand and foot it may…
Location: 80 % extremities. Lower limb (60 %: thigh, knee, foot, ankle) and upper limb (23 %: forearm, wrist, shoulder). Only 10 % within a joint. Usually, close to a…
Clinical: Posttraumatic type: painful enlarging mass with intense inflammation of the surrounding tissues. If the involved anatomic compartment is immobilized, inflammation resolves, and the mass slowly regresses. Complete maturation of…
Location: Low-grade myofibroblastic sarcomas most commonly occur in the head and neck region, including the oral cavity, pharynx and parapharyngeal regions, and proximal extremities and trunk; occasional cases can occur…
Location: Deep-seated, proximal extremities and trunk. Clinical: Enlarging painless soft tissue mass. Imaging: Although imaging characteristics are nonspecific, most tumors appear lobulated, and highly myxoid tumors have a homogeneous high…
Location: Deep-seated, lower limb within the muscle, thigh. Clinical: Globose or multinodular mass, slowly increasing, and painless. Tumor may be large, present from many years, and richly vascularized with pulsation…
Localization: ES is as frequent in flat and short bones as it is in long bones. Among the appendicular skeleton, the most common localization is the femur, followed by the…
Location: In association with major nerve trunks: sciatic nerve, brachial plexus, sacral plexus. Gluteal region and pelvis, thigh region, shoulder region, and axilla are the most frequent sites. Clinical: Rapidly…
Location: R. of the limbs constitutes 15 % of all tumors. Type (a): Head, neck, genitourinary tract (botryoid variety), retroperitoneum. Type (b): Limbs (forearm, hand, foot). Type (c): Limbs (prevails…
