In a 66‑year‑old man initially diagnosed with T3a N0 M0 prostate adenocarcinoma (final pathology Gleason 8 [4+4]) after radical prostatectomy who now has biochemical recurrence and radiographically confirmed lung and liver metastases, what is the pathophysiologic mechanism of malignant transformation of prostatic glandular cells and its impact on serum PSA, which clinical symptoms support the diagnosis, how should PSA be utilized for screening, diagnosis, and monitoring, how is the disease stage
Oct 22, 2026
What is the recommended diagnostic workup for a patient with suspected autoimmune disease, including history, physical examination, laboratory testing, imaging, and criteria to differentiate common autoimmune conditions?
Jul 24, 2026
In a patient with elevated cholestatic liver enzymes and high anti‑mitochondrial antibodies (AMA), which of the following is the most likely diagnosis: primary sclerosing cholangitis, autoimmune hepatitis, primary biliary cirrhosis, cholangiocarcinoma, or pancreatic cancer?
Jul 14, 2026
In pneumothorax, which of the following physical examination findings is correct: A) dullness or hypodullness on percussion, B) increased vocal fremitus, C) absent breath sounds, D) wet rales, or E) dry rales?
Jul 14, 2026
What is the definition of burst abdomen (abdominal wound dehiscence), its classification types, clinical features, investigations, pathogenesis, pathology, and recommended surgical treatment?
Jul 14, 2026