Results 1 to 10 of about 508,895 (201)

Inverted papilloma originating from the lacrimal sac and the nasolacrimal duct with marked FDG accumulation

Radiology Case Reports, 2021
Inverted papilloma originating from the lacrimal sac and the nasolacrimal duct is rare, although that in the sinonasal region is a relatively common lesion with local invasion, malignant potential and high recurrence rates after surgery.
Shuichi Ito, MD, Makoto Hosono, MD,PhD, Kazuna Kawabata, MD,PhD, Hitomi Kawamura, MD, Masaaki Ishikawa, MD,PhD, Mitsunori Kanagaki, MD,PhD   +5 more
doaj   +2 more sources

Sinonasal inverted papilloma: rate of recurrence and malignant transformation in 44 operated patients

Brazilian Journal of Otorhinolaryngology, 2021
Introduction: Although sinonasal inverted papillomas are benign lesions, they are locally aggressive and have a potential malignant transformation ranging from 5% to 15%, with a high recurrence rate.
Mariana Ferreira Sbrana, Renata Ferraz Rafael Borges, Fábio de Rezende Pinna, Deusdedit Brandão Neto, Richard Louis Voegels   +4 more
doaj   +2 more sources

Epithelial Markers in Sinonasal Inverted Papilloma with Malignant Transformation: A Scoping Review and Proposal for an Integrative Model of Malignant Risk Stratification [PDF]

Diagnostics
Background/Objectives: Sinonasal inverted papilloma is a rare Schneiderian epithelial tumor, histologically benign in most cases, but characterized by locally aggressive behavior, a high recurrence rate and a recognized potential for malignant ...
Rares-Cristian Oanca, Lorena-Adriana Paun, Mihai Dumitru, Oana Maria Patrascu, Carmen Aurelia Mogoanta, Andreea Marinescu, Adrian Costache, Daniela Vrinceanu   +7 more
doaj   +2 more sources

Evaluation of Inflammatory Blood Markers in Sinonasal Inverted Papilloma

Ear, Nose & Throat Journal, 2023
Objective: Sinonasal inverted papillomas are benign neoplasms of the nasal cavity and paranasal sinuses. They have characteristic features such as a high risk of recurrence and possible malignant transformation.
Zülküf Burak Erdur MD, Hasan Ahmet Özdoğan MD, Haydar Murat Yener MD, Emin Karaman MD, Harun Cansız MD, Çınare Aliyeva MD, Şebnem Batur MD, Hakkı Caner İnan MD   +7 more
doaj   +2 more sources

Frequent Recurrence of Sinonasal Inverted Papilloma With Carcinoma In Situ in a Multifocal Attachment Pattern: A Case Report and Review of the Literature

Ear, Nose & Throat Journal, 2023
Sinonasal inverted papilloma (SIP) is a benign tumor originating from the nasal cavity and paranasal sinuses. Sinonasal inverted papilloma is characterized by local infiltration, high recurrence, and malignant transformation, and its associated dysplasia
Yan Wang MD, Shunjiu Cui MD, Cheng Li MD, Bing Zhou MD   +3 more
doaj   +2 more sources

IMP3 Immunohistochemical Expression in Inverted Papilloma and Inverted Papilloma-Associated Sinonasal Squamous Cell Carcinoma

Analytical Cellular Pathology, 2021
Sinonasal inverted papilloma (IP) has a propensity for malignant transformation. Although the IP-associated squamous cell carcinoma (SCC) is rare, it has a poor prognosis.
Sarah A. Hakim, Nermine M. Abd Raboh, Lobna S. Shash   +2 more
doaj   +2 more sources

Inverted Papilloma

Definitions, 2020
An endophytic benign papillary epithelial neoplasm that results from the invagination and proliferation of epithelial cells in the underlying stroma. Representative examples are the inverted urothelial papilloma that arises from the urinary tract and ...
Frank Gaillard, Anna Kamińska
semanticscholar   +3 more sources

Recurring epistaxis as a result of a massive inverted papilloma of the sinonasal region [PDF]

Halo 194, 2023
Introduction: Inverted papilloma is the most common benign tumour of the sinonasal region characterized by a locally destructive growth pattern, a tendency to recur, and a risk of malignant alteration. It grows from the epithelium of the sinonasal mucosa.
Tadić Teodora, Jovanović Anđelina, Valjarević Svetlana, Jovanović Milan B.   +3 more
doaj   +1 more source

Concurrent Inverted Papilloma and Squamous Cell Carcinoma with Intradural Extension Presenting with Frontal Lobe Syndrome

Indian Journal of Neurosurgery, 2021
Inverted papilloma is an uncommon tumor mostly arising from the lateral wall of the nasal cavity and displays a benign but locally aggressive behavior. Intracranial extension is an extremely rare presentation of inverted papilloma.
Abdul Jaleel, V. M. Pavithran, Shanavas Cholakkal, Vineeth Kadangot Kuthampulli   +3 more
doaj   +1 more source

Evaluation of inverted papilloma recurrence rates and factors associated recurrence after endoscopic surgical resection: a retrospective review

Journal of Otolaryngology - Head and Neck Surgery, 2023
Background Sinonasal inverted papillomas (IP) are benign tumours arising from the mucosal lining of the nasal cavity and paranasal sinuses with a high propensity for recurrence and malignant transformation.
Sheila Yu, E. Grose, Daniel J. Lee, Vincent Wu, Mitchell Pellarin, John M. Lee   +5 more
semanticscholar   +1 more source