A 30-year-old woman had a dry cough and progressive dyspnea for 2 weeks.
Physical examination revealed fever, tachypnea, oral thrush, and fine crepitation at both lungs. Others were unremarkable. SpO2 was 89% and chest X-ray was as shown.
A. What is the most likely diagnosis ❓⇒ PCP (Pneumocystis jirovecii pneumonia)
B. What is the gold standard test for diagnosis ❓⇒ เก็บ Respiratory tract sample เช่น Bronchoalveolar lavage Fluid หรือ Lung Biopsy Tissue biopsy for🧫 Gomori-methenamine silver (GMS) or Wright-Giemsa stain or Indirect immunofluorescence assay (IFA)
C. What is the specific treatment ❓⇒ Trimethoprim (TMP) 15-20 MKD ➕ Sulfamethoxazole (SMX)
• Harrison's Principles of Internal Medicine, 20th edition
• Paul E Sax, Roy M Gulick, Milana Bogorodskaya. Clinical presentation and diagnosis of Pneumocystis pulmonary infection in patients with HIV. [Updated 2020 Dec 8]. In:Uptodate[Internet].Wolters Kluwer publishing.