Results 201 to 210 of about 190,961 (260)

Endoscopic surgical treatment of sinonasal Schneiderian papillomas: our experience. [PDF]

open access: yesEur Arch Otorhinolaryngol
Poma S   +9 more
europepmc   +1 more source

A rare case of extramedullary plasmacytoma of the paranasal sinuses. [PDF]

open access: yesBJR Case Rep
Butt L   +4 more
europepmc   +1 more source

Oncocytic carcinoma of the maxillary sinus: a rare neoplasm

European Archives of Oto-Rhino-Laryngology, 2006
Oncocytic neoplasms are tumors composed of oncocytes (i.e., epithelial cells with a large cytoplasm that is rich in mitochondria). Most cases are benign and originate from the major salivary glands, while the minor salivary glands are rarely involved. Occurrence of oncocytic carcinoma (or malignant oncocytoma) within the sinonasal tract is an unusual ...
Davide Lombardi   +2 more
exaly   +5 more sources

Mesenchymal phosphaturic neoplasm in the maxillary sinus: a case report

International Journal of Oral and Maxillofacial Surgery, 2010
The authors describe a case of oncogenic osteomalacia due to a mesenchymal phosphaturic tumour in the maxillary sinus. This is a paraneoplastic syndrome in which a tumour produces a peptide hormone-like substance (phosphatonin) that causes a urinary loss of phosphates resulting in a debilitating systemic condition. In this case, the patient experienced
Giacomo Colletti, Mario Pedrazzoli
exaly   +4 more sources

Surgical Treatment of Maxillary Antrum Neoplasms

Journal of Craniofacial Surgery, 2018
Abstract Paranasal sinus cancers comprise about 0.3% of all cancers and 80% of these lesions arise in the maxillary sinus. A masquerading primary sinus tumour represents a therapeutic challenge as most patients with maxillary antrum cancer are diagnosed with advanced disease. However, distant metastases rarely occur.
Elham Hazeim, Abdulkareem   +1 more
openaire   +2 more sources

Maxillary Ameloblastoma: A Potentially Lethal Neoplasm

Archives of Otolaryngology - Head and Neck Surgery, 1989
Ameloblastomas are benign tumors derived from the odontogenic apparatus. Of these tumors, 80% originate in the mandible, while 20% originate in the maxilla. Six cases of maxillary ameloblastoma treated at the UCLA hospitals are presented; four of these cases showed extensive and destructive tumor growth involving vital structures, including the orbit ...
J K, Bredenkamp   +2 more
openaire   +2 more sources

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