Results 31 to 40 of about 32,809 (258)

Case report: A pediatric case of MPO-ANCA-associated granulomatosis with polyangiitis superimposed on post-streptococcal acute glomerulonephritis

open access: yesFrontiers in Pediatrics, 2023
An eight-year-old girl was admitted with vomiting, gross hematuria, and progressive renal dysfunction. A renal biopsy revealed endocapillary proliferative glomerulopathy and crescent formation.
Qianhuining Kuang   +6 more
doaj   +1 more source

Metastatic renal cell carcinoma presenting as a paranasal sinus mass: the importance of differential diagnosis [PDF]

open access: yes, 2017
Metastases in the paranasal sinuses are rare; renal cell carcinoma is the most common cancer that metastasizes to this region. We present the case of a patient with a 4-month history of a rapidly growing mass of the nasal pyramid following a nasal trauma,
ALTISSIMI, Giancarlo   +3 more
core   +4 more sources

Juvenile Paget's Disease with Paranasal Sinus Aplasia [PDF]

open access: yesClinical and Experimental Otorhinolaryngology, 2008
Juvenile Paget's disease (JPD) is a rare skeletal disorder that's characterized by bone demineralization and elevated levels of serum alkaline phosphatase. JPD involves the paranasal sinuses in extremely rare cases. We report here on a 25-month-old Asian
Ki Beom Bae   +4 more
doaj   +1 more source

Incidental finding of lymphoma after septoplasty. [PDF]

open access: yes, 2016
IntroductionSeptoplasty, or surgical correction of the deviated septum, is an elective, routinely performed rhinologic procedure to address nasal airway obstruction.
Bhuta, Sunita M   +5 more
core   +2 more sources

Unique case of inverted papilloma of septum with nasopharyngeal carcinoma:Is it a metachronous tumour? [PDF]

open access: yes, 2020
Inverted papilloma is a rare and benign tumour. It affects the nasal cavity and paranasal sinuses, has a high rate of recurrence and is associated with malignant transformation.
Ferguson, Aaron S. J.   +4 more
core   +3 more sources

Biphenotypic Sinonasal Sarcoma-Case Report and Review of Clinicopathological Features and Diagnostic Modalities. [PDF]

open access: yes, 2019
Background Biphenotypic sinonasal sarcoma is a recently described malignancy showing dual differentiation with both myogenic and neural elements. Due to its histologic similarities to other sinonasal malignancies, it is a diagnostic challenge.
Chitguppi, Chandala   +6 more
core   +2 more sources

Nasopharyngeal Melanoma [PDF]

open access: yes, 2018
Mucosal nasopharyngeal melanoma is a rare head and neck melanoma. Prognosis is poor (5-year overall survival rate of 10–30%) with high rates of metastases and local recurrence. Head and neck mucosal melanoma represents 0.8–3.7% of all melanomas and 0.03%
Calvieri, Stefano   +4 more
core   +1 more source

Aggressive juvenile fibromatosis of the paranasal sinuses: case report and brief review

open access: yesJournal of Hematology & Oncology, 2008
Desmoid fibromatoses are benign, slow growing fibroblastic neoplasms, arising from musculoaponeurotic stromal elements. Desmoids are characterized by local invasion, with a high rate of local recurrence and a tendency to destroy adjacent structures and ...
Lakhan Shaheen E   +2 more
doaj   +1 more source

Osteosarcoma of the sphenoid sinus extending to ethmoid sinus—report of a rare case with review of literature giving special emphasis on treatment and outcome

open access: yesThe Egyptian Journal of Otolaryngology, 2023
Background Osteosarcoma usually arises from primitive bone-forming mesenchymal cells. Metaphyseal growth plates of long bones are the usually affected site.
Rupa Mehta   +3 more
doaj   +1 more source

Malignant Versus Benign Tumors of the Sinonasal Cavity: A Case-Control Study on Occupational Etiology [PDF]

open access: yes, 2018
Case-control studies on malignant sinonasal tumors and occupational risk factors are generally weakened by non-occupational confounders and the selection of suitable controls. This study aimed to confirm the association between sinonasal malignant tumors
Alexandre, Enrico   +10 more
core   +1 more source

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