The maxillary sinus haematoma is an uncommon cause of a maxillary sinus mass. It presents with a variety of symptoms, the most common being epistaxis. Although histologically benign, it may be clinically progressive. Radiological findings can range from a benign appearance to a more aggressive process, including bony erosion. Surgical evacuation is the mainstay of therapy. We describe our exper...

Maxillary sinus foreign bodies are commonly due to penetrating trauma and iatrogenic events. A foreign body is usually identified during initial assessment and subsequently removed. We present a rare method of maxillary sinus trauma with retained and subsequent discharged foreign body twelve years following the initial injury.

An organized hematoma is a chronic state of fibrotic tissue surrounding a hemorrhage. A mass lesion resulting from hematoma in the maxillary sinus was first reported in 1917, and the term, "blood boil," was clinically coined from such features as encapsulated blood and locally aggressive behavior. Subsequently, others have reported lesions with a similar appearance and clinical course, and now,...

PURPOSE To evaluate the frequency, morphology, and locations of maxillary sinus septa using cone beam computed tomographic (CBCT) imaging of the entire maxillary sinus and to analyze factors influencing the presence or absence of septa. MATERIALS AND METHODS CBCT images of the maxilla taken during a 1-year study period (October 1, 2012, to September 30, 2013) were evaluated for the presence a...

This study measured maxillary sinus volume as an aid in determining the volume of graft bone needed before grafting autogenous bone to the maxillary sinus floor. Maxillary sinus volumes were measured from computerized tomographic images of 38 sinuses using a 3-dimensional reconstruction system. When the sinus-lift procedure was simulated, volumes (mean +/- SD) of the inferior portion of the sin...

Maxillary antrolith is a mineralized mass found very rarely in the maxillary sinus formed by exogenous or endogenous origin [1,2]. These mineralized bodies have been variously described as rhinoliths, antral rhinoliths, antral stones, antral calculi, antroliths, sinoliths, maxillary sinus stones and antrorhinoliths. The maxillary sinus is covered by ciliated pseudostratified columnar epithelium...

Antrochoanal polyp is a benign, solitary polypoid lesion arising from the edematous mucosa of the maxillary sinus and extending through the maxillary ostium into the nose. In children, it constitutes 33% of all nasal polyps. It presents most commonly with unilateral nasal obstruction and purulent rhinorrhea. Surgery is the usual treatment for antrochoanal polyps. The primary aim of treatment fo...

SMARCB1 (INI1)-deficient sinonasal carcinoma is a recently described variant of sinonasal tract carcinoma characterized by complete loss of nuclear SMARCB1 (INI1). It is very rare and currently underdiagnosed because of a lack of awareness. Before the description of SMARCB1 (INI1)-deficient sinonasal carcinomas, these tumors were probably misclassified as various malignant neoplasms. To date, o...

This study is aimed at assessing the reliability of morphometric measurements performed on the frontal sinus, nasal septum and maxillary sinus in personal identification using three dimensional Cone Beam Computed Tomography. This study propounds the significance of combined use of all three particularly maxillary sinus and nasal septum pattern in individual identification. This retrospective st...

Metallic foreign bodies are rarely found in the maxillary sinus, and usually they have a dental origin. Two main surgical app-roaches are currently used for the removal of foreign bodies in the maxillary sinus: the bone flap and the endoscopic sinus tech-niques. However, the treatment is not only surgical removal. We are reporting one case of foreign body like a hand sewing needle entered into ...