Gorham-Stout disease (or "vanishing bone" disease) is a rare mono or polyostotic disease of unknown etiology, characterized by intraosseous angiomatous proliferation leading to bone resorption. We report the case of a 17-year-old woman presenting with symptomatic osteolytic lesions of the frontal vault. Imaging was suggestive of Gorham-Stout disease without argument for other diagnoses. An unusual evolution of the "vanishing bone" lesions was observed on the scan after one year, with a full recovery of the lytic lesions. This report shows for the first time a spontaneous restitutio ad integrum of bone matrix in Gorham-Stout disease.
Keywords: Gorham-Stout; Vanishing bone.
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