Lucent defect in bones of hands, wrists, feet, or ankles

Common: Enchondroma; Gout; Intraosseous ganglion; Osteoarthritis; Posttraumatic osteonecrosis; Rheumatoid arthritis
Uncommon: Amyloidosis; Aneurysmal bone cyst; Bone cyst; Carcinoma of nail-bed; Carcinoma of skin; Chondroblastoma; Chondromyxoid fibroma; Developmental cyst; Enchondromatosis; Epidermoid inclusion cyst; Fibromatosis; Fibrous dysplasia; Foreign body; Giant cell granuloma; Giant cell tumor; Glomus tumor; Granuloma; Hemangioma; Hemochromatosis; Hemophilic pseudotumor; Jackhammer operator disease; Keratoacanthoma; Kienböck disease; Langerhans cell histiocytosis; Lipoma; Maffucci syndrome; Metastasis; Mucopolysaccharidosis type 1-S; Multicentric infantile myofibromatosis; Multiple myeloma; Nonossifying fibroma; Osteoid osteoma; Osteomyelitis; Palm thorn; Phalangeal microgeodic syndrome; Sarcoidosis; Sickle cell disease; Silastic arthropathy; Sinus histiocytosis; Subungual keratoma; Tuberous sclerosis; Vascular channel; Villonodular synovitis; Xanthoma; Xanthomatosis