Rhinolithiasis: Clinical, Radiological, and Mineralogical Features:
2008
BackgroundRhinolithiasis is a rare and under-diagnosed clinical entity whose etiology and pathogenesis is poorly understood.ObjectiveThe objective of the study is to review the clinical and radiologic features of rhinolithiasis and mineralogical–chemical composition of the rhinoliths with the aim of shedding light on its etiology and pathogenesis.MethodsOur subjects consisted of 8 rhinolithiasis cases. Clinical presentations, signs, and symptoms of the patients with radiologic findings are presented, and X-ray diffraction analyses of the stones were carried out to assess their mineralogical composition.ResultsNasal obstruction appeared to be the chief symptom, followed by nasal discharge and facial pain. Neither exogenous nor endogenous nidi were identified in any of the cases. Mineralogical analyses of the rhinoliths revealed Whitlockite [(Ca, Mg)3 (PO4)2] in one and Dahllite [Ca5 (PO4, CO3)3OH] in 7 cases.ConclusionWe hypothesized that some substances or organic objects form the nidi of the rhinoliths a...
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