by drjamescwittigmd_4dcg6x | Oct 4, 2025 | Benign Osseous, Tumor Classification
General Information Osteoid Osteoma is a benign osteoblastic (bone forming) tumor that is usually less than 2cm in size. It consists of a central vascularized nidus that represents the neoplastic tissue. The nidus is surrounded by normal reactive bone. It is usually a...
by drjamescwittigmd_4dcg6x | Oct 4, 2025 | Benign Osseous, Tumor Classification
GENERAL INFORMATION Osteoma is a rare benign bone tumor, composed of mature osseous tissue. It presents as a protruding mass of dense periosteal intramembranous bone, usually on surface of host bone. It is abnormally dense but is normal bone formed in the...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Synovial, Tumor Classification
Synovial chondromatosis is an uncommon, benign, process that occurs in large joints, such as the knee (50%), hip, elbow, or shoulder. This process mainly affects synovium and hence most commonly arises from joints and tendons which are lined by synovium. Synovial...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Malignant Myogenic, Malignant Skeletal Muscle, Soft Tissue, Tumor Classification
GENERAL INFORMATION Rhabdomyosarcoma is a malignant soft tissue tumor (sarcoma) originating from striated skeletal muscle. Although rare, it is one of the more common solid cancerous tumors (sarcoma) affecting children. This entity occurs with same...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Synovial, Tumor Classification
GENERAL INFORMATION Pigmented villonodular synovitis (PVNS) is described as a benign villous or nodular proliferation of synovium. Pigmented villonodular synovitis occurs commonly in the third and fourth decades of life. Also known as diffuse tenosynovial giant cell...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Neural, Benign Neurogenic, Soft Tissue, Tumor Classification
GENERAL INFORMATION • Benign soft tissue tumor arising from a peripheral nerve sheath (epineurium) derived from a schwann cell. • Also known as Neurilemoma• Arises from the periphery of the nerve, epineurium • The nerve is displaced eccentrically• Small...
