Results 11 to 20 of about 38,041 (292)

CT and MR findings of mycotic infection of the paranasal sinus: differentiation from sinonasal neoplasm [PDF]

open access: bronzeJournal of the Korean Radiological Society, 1992
Kil Woo Lee   +4 more
openaire   +2 more sources

A Case of Schwannoma in Subfrontal Area and Nasal Cavity [PDF]

open access: yesJournal of Rhinology, 2021
Schwannoma is a benign solitary neoplasm emerging from the Schwann cells of the peripheral, cranial and autonomic nerves. Approximately 25 to 45% of schwannomas occur in the head and neck region.
Nam Yoon Jung   +3 more
doaj   +1 more source

Resection of Ewing Sarcoma in the Paranasal Sinus Via the Endoscopic Modified Lothrop (Draf III) Approach [PDF]

open access: yesJournal of Rhinology, 2021
Ewing sarcoma is a rare type of bone tumor that typically occurs in the head and neck regions. Appropriate management strategies remain controversial.
Hye Min Han   +3 more
doaj   +1 more source

A Rare Case of Myoepithelioma in the Sphenoid Sinus. [PDF]

open access: yesClin Case Rep
ABSTRACT A 72‐year‐old male was admitted to the hospital with 3 months of vision loss and 1 month of aggravation. Computed tomography and magnetic resonance imaging examinations revealed a tumor in the sphenoid region, which was treated with surgical resection.
Wang XH, Zhou Y.
europepmc   +2 more sources

Myxoma of Paranasal Sinus, Case Report

open access: yesJournal of Case Reports and Medical History, 2022
Head and neck myxomas are uncommon neoplasms with few reports in the literature, only sporadic cases of myxomas of the temporal bone, pharynx, larynx, soft tissues of the face and neck, and paranasal sinuses have been reported, with the majority of these

semanticscholar   +1 more source

Is the frontal sinus immune to carcinoma? A retrospective study and review of the literature

open access: yesThe Egyptian Journal of Otolaryngology, 2023
Background Frontal sinus carcinoma is commonly seen as an extension of the ethmoid sinus, overlying skin, or lacrimal gland. The existence of this disease has been unclear. We aimed to describe the occurrence of primary frontal sinus carcinoma.
Mohamed Rifai   +2 more
doaj   +1 more source

Maxillary Sinus Pleomorphic Adenoma: A Systematic Review

open access: yesSurgeries, 2022
Background: Pleomorphic adenoma (PA), also known as a mixed tumor, is a neoplasm of the glandular tissue. The maxillary sinus (MS) is an atypical location of PA; however, as an empty cavity inside the bone, it predisposes tumors to develop unnoticed. The
Maciej Chęciński, Zuzanna Nowak
doaj   +1 more source

Multidisciplinary approach of a locally advanced adult alveolar rhabdomyosarcoma of paranasal sinuses: a case report and literature review [PDF]

open access: yesRhinology Online, 2018
Alveolar rhabdomyosarcoma (ARMS) is a rare soft-tissue malignancy constituting less than 1% of soft-tissue sarcomas. In this article we are describing a rare case of ARMS arising in the paranasal sinuses of an adult patient.
Sonia Flamarique   +8 more
doaj   +1 more source

Sinonasal malignancies: a retrospective review of a tertiary center experience

open access: yesRevista Portuguesa Otorrinolaringologia e Cirurgia de Cabeça e Pescoço, 2023
Objectives: To characterize demographics, presentation, histologic types, treatment and survival of patients with sinonasal malignancies diagnosed at a tertiary hospital center in Portugal. Study design: Retrospective study.
Kaamil Gani   +6 more
doaj   +1 more source

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