Atypical Sjögrenʼs Syndrome Initially Presenting as Lymphocytic Interstitial Pneumonitis followed by Immune Thrombocytopenia

Autor: Maham Mehmood, Abhishrut Jog, Masooma Niazi, Arlene Tieng, Giovanni Franchin
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Case Reports in Rheumatology, Vol 2021 (2021)
Druh dokumentu: article
ISSN: 2090-6889
2090-6897
DOI: 10.1155/2021/6681590
Popis: Background. Sjögrenʼs syndrome is an autoimmune disease characterized primarily by decreased exocrine gland function leading to eye and mouth dryness. Extraglandular manifestations occur less frequently. Case Report. A 74-year-old man with hypertension was admitted with productive cough and fever. On physical examination, he had bilateral lower lung decreased breath sounds. A chest radiograph showed bibasilar patchy infiltrate. Laboratory studies revealed hemoglobin of 11.9 g/dL, white blood cell count of 16,000/uL, and platelet count of 250,000/uL. Empiric antibiotic therapy was begun for suspected community acquired pneumonia, and then he was discharged home. However, his cough recurred. Chest computed tomography demonstrated adenopathy throughout the mediastinum and multiple ill-defined patchy groundglass opacities with a lower lobe prominence. He underwent a transbronchial biopsy to rule out malignancy; however, it showed lymphocytic interstitial pneumonitis. Antinuclear antibody was 1 : 80 homogeneous, and anti-SSA antibody was 6.3 AI (normal
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