title: A male patient with cavitary pulmonary disease.
abstract: Granulomatosis with polyangiitis (Wegener) (GPA) was diagnosed in a 44 year-old-man who had a relapse 6 years after diagnosis with the "air crescent" sign on chest CT. Seven years after his diagnosis the patient presented a new relapse with cavitary lung disease, and high levels of anti-proteinase 3 antibodies, suggesting disease activity; however, a transbronchial biopsy showed histological findings of tuberculosis (TB). The association between TB and GPA is rarely informed; moreover TB and GPA have similar findings including both clinical and anti-proteinase 3 antibodies.
authors.affiliation: Unidad de Investigaciones Reumatológicas, Hospital Central Dr. Ignacio Morones Prieto, Universidad Autónoma de San Luis Potosí, San Luis Potosí, México.
authors.forename: Marco Ulises
authors.initials: MU
authors.lastname: Martínez-Martínez
authors.forename: Alejandro
authors.initials: A
authors.lastname: Gómez-Gómez
authors.forename: Cuauhtémoc
authors.initials: C
authors.lastname: Oros-Ovalle
authors.forename: Carlos
authors.initials: C
authors.lastname: Abud-Mendoza
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D014890:Granulomatosis with Polyangiitis / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male; D012008:Recurrence; D014397:Tuberculosis, Pulmonary / Q000150:complications / Q000175:diagnosis*