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Rhinoliths are calcified masses located in the nasal cavity and may cause symptoms such as nasal obstruction, fetid odour and facial pain. They are usually diagnosed incidentally on radiographic examinations or depending on the symptoms. In this paper we report a 27-year-old Caucasian woman with a calcified mass in the right nasal cavity causing nasal obstruction, anosmia and facial pain. The calcified mass was removed by endonasal approach., (2015 BMJ Publishing Group Ltd.)

Traumatic bone cysts were first defined by Lucas and Blum in 1929. It is classified as an intraosseous pseudocyst. They are asymptomatic and are usually seen during routine radiographical examination. According to the 2002 classification of the WHO, traumatic bone cysts are in miscellaneous lesions. This report describes a 16-year-old male patient who had a traumatic bone cyst that mimicked a radicular cyst.

Fibro-osseous lesions are disturbances in bone metabolism in which normal bone is replaced by a connective tissue matrix that then gradually develops into cemento-osseous tissue. Typically, the lesion is asymptomatic and is detected on routine radiographic examination. Radiologically, this lesion has three stages of maturation: pure radiolucent, radiopaque/mixed radiolucent, and radiopaque appearance. During these stages the lesion can be misdiagnosed. In this case report a 69-year- old patient with a a complaint of painless swelling of the left mandibular molar and premolar area is presented along with a review of the differential diagnoses considered in order to reach a final diagnosis of focal cemento-osseous dysplasia.