European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2017
Increased histopathological yield for granulomatosis with polyangiitis based on nasal endoscopy of suspected active lesions.
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Beltrán Rodríguez-Cabo Olga, Reyes Edgardo, Rojas-Serrano Jorge, Flores-Suárez Luis Felipe
Аннотация
PURPOSE: To present the results of an endoscopic and histopathologic evaluation of suspected nasal active granulomatosis with polyangiits (GPA) lesions, describe them as seen by the ENT specialist, and propose a guide for tissue sampling of the nasal cavity to improve the yield of confirmatory histology.
METHODS: Randomly selected patients seen from December 1997-October 2007 had a thorough endoscopic nasal evaluation, preceded by careful cleansing of the nasal cavity. Endoscopic lesions were described; sensitivities, specificities, and predictive values of the composites of endoscopic and histological activity were determined.
RESULTS: Six lesions, some not previously described in detail, were observed: white submucosal nodules, mucosal swelling, polypoid nodules, vascular submucosal dilatations, bloody submucosal patches, and ulcers. Of these, polypoid nodules (PPV 100%), persistent white submucosal nodules (PPV 81%), and bloody submucosal patches (PPV 93%) had the better diagnostic performance with confirmed histological diagnosis.
CONCLUSIONS: Careful nasal cavity preparation, observation, and description of the nasal mucosa can guide tissue sampling documenting active GPA. This can lead to a better histological yield when definitive proof of the disease is needed.
METHODS: Randomly selected patients seen from December 1997-October 2007 had a thorough endoscopic nasal evaluation, preceded by careful cleansing of the nasal cavity. Endoscopic lesions were described; sensitivities, specificities, and predictive values of the composites of endoscopic and histological activity were determined.
RESULTS: Six lesions, some not previously described in detail, were observed: white submucosal nodules, mucosal swelling, polypoid nodules, vascular submucosal dilatations, bloody submucosal patches, and ulcers. Of these, polypoid nodules (PPV 100%), persistent white submucosal nodules (PPV 81%), and bloody submucosal patches (PPV 93%) had the better diagnostic performance with confirmed histological diagnosis.
CONCLUSIONS: Careful nasal cavity preparation, observation, and description of the nasal mucosa can guide tissue sampling documenting active GPA. This can lead to a better histological yield when definitive proof of the disease is needed.