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Myositis ossificans (MO) is a disease which is associated with ossification in soft tissue offen develops following trauma. It may be confused with malignant soft tissue tumors clinically and histologically. Direct radiography, ultrasonography, computed tomography and magnetic resonance imaging are used radiological imaging modalities diagnosis of MO. In this study, we aim to present the radiological imaging findings of two cases of MO. [ABSTRACT FROM AUTHOR]

Objectives: The purpose of this study is to evaluate computed tomography (CT) and magnetic resonance imaging (MRI) findings of intracranial lipomas which are rare congenital malformations, to determine clinical findings and associated malformations, and to determine the relationships between lesion localization and symptoms as well as between lesion localization and presence of calcification. Material and methods: We retrospectively evaluated CT and MRI findings of 57 patients (22 male and 35 female patients) with median age of 50 (range 2-89) who received a diagnosis of intracranial lipoma between March 2010 and March 2015. CT examinations of 25 patients and MRI examinations of 32 patients were available. CT densities of lesions were assessed, imaging findings, lesion volumes, symptoms, and associated lesions were determined. The relationships between lesion localization and symptoms as well as between lesion localization and presence of calcification were evaluated using using x2 test. Results: Localizations of the lesions were as follows; interhemispheric fissure (n=22), left quadrigeminal cistern (n=10), corpus callosum (n=10), intercerebellar fissure (n=4) right quadrigeminal cistern (n=3), interpeduncular cistern (n=3), sylvian fissure (n=2), choroid plexus (n=2), and left acoustic canal (n=1). Mean lipoma volume was 4±3,047 mm3. The most common symptom was headache demonstrated in 9 patients. Lesion localizations did not show any significant relationship neither with symptoms (p=0,394) nor with presence of calcification (p=0,552). Conclusion: CT and MRI can diagnose intracranial lipomas with typical findings and detect associated malformations. To know CT and MRI findings of them makes it easier to differentiate them from the other lesions. [ABSTRACT FROM AUTHOR]

Objectives: Neurofibromatosis type 1 (NF1, von Recklinghausen disease, peripheral neurofibromatosis) is a neurocutaneous disease which effects a lot of systems especially neural tissue. Its diagnosis and awareness is important because of increased cancer susceptibility in children. Our purpose is to discuss the cranial MRI findings of patients diagnosed with neurofibromatosis type 1 and evaluate cranial involvement of neurofibromatosis type 1 in the light of these findings. Material and methods: In our clinic, 19 out of 21 patients which diagnosed with neurofibromatosis type 1 and had at least 1 MRI between June 2011 and March 2013 was evaluated. Cranial MRI obtained from 7 female and 12 male patients, between ages 6-32 (average age 15,3) retrospectively scanned thereafter type and locations of lesions evaluated by a different radiologist. Results: Out of 19 patients; 16 had hamartomatous CNS lesions, 5 had optic gliomas or optic nerve thickening, 5 had plexiform neurofibromas and 2 patients had subcutaneous neurofibromas. Conclusion: Remembering and knowledge of neurofibromatosis type 1's diagnostic criteria and lesion types are important because it is the most common inherited CNS disease and of its diverse tumors and findings. In patients whose clinical findings do not meet the diagnostic criteria of neurofibromatosis type 1, whose lesions in the diagnostic criteria did not develop or whose diagnosis in doubt, MRI findings are important for early and accurate diagnosis. [ABSTRACT FROM AUTHOR]