Maxillary dentigerous cysts although uncommon need to be considered in the differential diagnosis in children with painless facial swelling. We present a case of dentigerous cyst associated with maxillary deciduous canine and maxillary premolars manifesting as a unilateral swelling in canine region of the face. A ten-year-old boy came to oral and maxillofacial surgery unit with a painless left facial swelling. The local dentist had prescribed antibiotics for treatment for the facial swelling, but the swelling did not subside, and the parents brought the child to our unit in Zliten Dental College. After clinical examination and imaging, the diagnosis of dentigerous cyst was made. Caldwell-Luc approach was done, the cyst was enucleated, and primary closure was done. The patient was followed up for a period of two years and there was no evidence of any recurrence.

Rhinosporidiosis is a chronic granulomatous mucocutaneous infecion caused by Rhinosporidium seeberi. The infection is non-contagious and as the name suggests, it is primarily a disease of the nose. Here, we report a rare case of rhinosporidiosis affecting the nasopharynx in a 35 year old male patient.

PRESENTATION OF CASEA 43-year-old male patient presented with a 1.5-year history of progressive left nasal septal mass (Fig.1) leading to left nasal obstruction for the last 1-1.5 years, two to three episodes of mild epistaxis and gradually enlarging mass involving the left nasal cavity. There was no history of previous trauma, surgeries or visual defect. His general health was satisfactory with a stable weight. DIFFERENTIAL DIAGNOSISSalivary gland tumours account for about 3% of all neoplasms, the majority being benign and about 70% are pleomorphic adenomas. A small minority are also located in nasal cavity, neck and oral cavity. In this case report, we are presenting a rare case of pleomorphic adenoma of the nasal septum. Nasal septum is a discrete area of erectile tissue in the submucosa over the anterior nasal septum. In most cases, it can present as a suspicious lesion. Several benign lesions of the septum like leiomyoma, osteochondroma and transitional cell papilloma can be considered. Other malignant tumours such as melanoma, adenoid cystic carcinoma and squamous cell carcinomas may be the differential diagnosis. The majority of these tumours arise from the mucosa of the bony and cartilaginous septum. However, depending on the size and location, the diagnosis may be considered. 'Financial or Other Competing Interest': None. Submission 09-09-2017, Peer Review 03-10-2017, Acceptance 09-10-2017, Published 30-10-2017 CLINICAL DIAGNOSISThe lateral wall of nasal cavity was splayed laterally by a mass within the left nasal cavity, while the skin over the swelling appeared normal. Anterior rhinoscopy revealed a friable polypoid mass involving the left nasal cavity. A probe could not be passed around the mass, neither did it bleed on manipulation. The mass appeared to arise from the nasal septum but caused minimal or almost no deviation of the nasal septum to the opposite side. There was no evidence of rhinosinusitis and his postnasal space was also normal. There were no palpable lymph nodes. Radiological examination (CT scan) demonstrated a well-defined cystic mass in the anterior part of the septum of the left nasal cavity with well pneumatised paranasal sinuses (Fig. 2). Furthermore, the smooth surface, preservation of mucosal lining and the localised nature of the mass seen in nasal endoscopy were consistent with the benign lesion. DISCUSSION OF MANAGEMENTAn intranasal resection of the mass was done and the sample (Fig. 3, 4) was sent for biopsy. The histopathological analysis of the tumour confirmed a benign pleomorphic adenoma with no focus of malignant change. The patient was discharged on day 3, and the postoperative course was uneventful. After a month, on followup, the patient had no nasal complaints (Fig.

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