Author page: hanumantha@gravitysoft.in

Benign chondrogenic lesion derived from aberrant cartilage from the perichondral ring Solitary and multiple hereditary forms Autosomal dominant inheritance Mechanical symptoms or symptoms of neurovascular compression X Rays show pedunculated lesions point away from the joint cartilage cap becomes thicker as an adult, need to be concerned for chondrosarcoma transformation Symptomatic cases- excision Complications : Vascular compression, Nerve compression, Tendon compression, Chondrosarcoma, Bursa formation

Benign bone tumor (osteogenic) derived from osteoblasts Common sites : Proximal femur (most common),tibial diaphysis, vertebrae Histology – Nidus of osteoid and immature osteoblasts surrounded by a rim of reactive bone formation X- ray shows radiolucent nidus (< 2 cm) surrounded by reactive bone Treatment – observation and NSAIDs, radiofrequency ablation, surgery Osteoid osteoma in spine can cause painful scoliosis, surgical intervention of…