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BACKGROUND: Solitary fibrous tumor is a rare tumor that usually occurs in the pleura. It is a tumor of a mesothelial or mesenchymal cell origin. This tumor occasionally has been reported in extrapleural sites including head and neck regions. Clinically, the extrapleural lesions may be present with symptoms related to the tumor site. CLINICAL CASE: A 51-year-old female patient with progressive unilateral left-sided nasal obstruction and rhinorrhea. Nasal endoscopy and imaging exams revealed a vascular mass filling the entire left nasal cavity extending up to the nasopharynx. The tumor had marked enhancement after the administration of contrast material. Biopsy specimen examination reported solitary fibrous tumor. Immuno-histochemical analyses confirmed the diagnosis. The patient was undergone preoperative embolization with posterior tumoral excision by transpalatal approach. CONCLUSIONS: Solitary fibrous tumor of nasal cavity is a very rare illness, which is difficult to differentiate with other diseases. [ABSTRACT FROM AUTHOR]

BACKGROUND: Rhinoliths are calcified masses formed in the nasal cavity by the deposit of mineral salts. The nest of a rhinolith is usually an exogenous foreign body forgotten in the nose during childhood (seeds, beads, cotton and insects). CLINICAL CASE: A 32-year-old male patient with chronic kidney disease. We were consulted as part of the protocol for the patient’s kidney transplant. Upon questioning, the patient began his current condition 12 years ago with left nasal obstruction, with no apparent triggering cause, accompanied by anterior and posterior left nasal discharge with mucopurulent, fetid characteristics, in moderate amount, with exacerbations and partial remissions to medical treatment with multiple antibiotic regimens at unspecified doses and durations. CONCLUSIONS: Because it is a rare entity, the diagnosis of a rhinolith must have a high clinical suspicion, directing the questioning to the patient and accompanying it with imaging studies; simple computed tomography is the study of choice. Treatment must be surgical, with complete resection of the foreign body, and resolution of the complications that it has generated. [ABSTRACT FROM AUTHOR]