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Multiple skull osteomas in a 24‐year‐old woman
Author(s) -
Tempaku Akira
Publication year - 2017
Publication title -
journal of general and family medicine
Language(s) - English
Resource type - Journals
ISSN - 2189-7948
DOI - 10.1002/jgf2.115
Subject(s) - medicine , osteoma , hyperostosis , skull , fibrous dysplasia , anatomy , meningioma , parietal bone , radiology
A cranial osteoma typically develops in the accessory nasal sinus of young and middle aged women.1–3 In contrast, a giant osteoma (≥ 10 cm diameter) preferentially grows on the parietal skull1 as a single lesion. A 24yearold woman developed a series of lumps on the scalp of the right frontal to parietal skull since her teens. From the age of 20, the cephalic lump gradually grew (Figure 1). No headache or neurological dysfunction accompanied the growth of the lump. A computed tomography (CT) scan revealed distinct hyperplasia of the external bone (Figure 1), which was similar to the image features of an osteoma.4 Moreover, the extremely slow growth was similar to that of benign lesions including cavernous hemangioma, osteochondroma, or osseous meningioma. Radiological images revealed that the cancellous bone layer did not increase; however, isolated hyperostosis of the cortical bone was sparsely distributed. Gardner syndrome associated malformation was presumed by multiple lesions. A whole body positron emission tomography scan with 18Ffluorodeoxyglucose showed no specific accumulation, which is indicative of soft tissue tumors. The results revealed that it was not a Gardner’s syndromerelated lesions. Fibrous dysplasia (FD) was estimated from the age at which the lump developed; however, the bone CT images did not appear to represent FD. Additionally, the images denied McCuneAlbright syndromerelated lesions, as there was an absence of Caféaulait pigmentation or endocrinal disturbances, including acromegaly or Cushing syndrome; however, the multiplicity of the skull lump never excluded the possibility of malignant lesions. As the patient and her family strongly desired a diagnosis and cosmetic improvement, the frontal lump was surgically removed. Following a bicoronal skin incision on the head, the prominence of the frontal skull was scraped using a drill. The removed

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