title: [A 15-year-old boy with spontaneous pain in the lower leg].
abstract: On kicking the ball during a football tournament, and with no involvement of any other player, a 15-year-old boy experienced a spontaneous fracture of the tibia with no fragment displacement. The X-ray of the region of the fracture revealed a cystic structure measuring approximately 3 cm x 2 cm x 2 cm. After eight weeks of conservative treatment, radiography showed bony consolidation of the cyst, and the patient was pain-free. The differential diagnosis must give consideration to juvenile and aneurysmal bone cysts, giant cell tumors and malignant tumors (e.g. osteosarcoma and Ewing's sarcoma).
authors.affiliation: Chirurgische Abteilung, HELIOS St. Elisabeth Klinik, Hünfeld.
authors.forename: S
authors.initials: S
authors.lastname: Pecht
authors.forename: C
authors.initials: C
authors.lastname: Raschka
mesh_terms: D000293:Adolescent; D017824:Bone Cysts, Aneurysmal / Q000150:complications* / Q000000981:diagnostic imaging; D002370:Casts, Surgical; D003937:Diagnosis, Differential; D005500:Follow-Up Studies; D005538:Football / Q000293:injuries*; D017102:Fracture Healing; D005598:Fractures, Spontaneous / Q000000981:diagnostic imaging / Q000209:etiology; D006801:Humans; D008297:Male; D011859:Radiography; D013978:Tibial Fractures / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000628:therapy; D013997:Time Factors