​Differential Diagnosis of  Lung Abscess

Differential Diagnosis of Lung Abscess • Wegener’s granulomatosis, sarcoidosis, endocarditis, septic pulmonary emboli • Parasitic (amebiasis, echinococcosis) • Malignant neoplasm (primary lung carcinoma, metastatic lung disease, lymphoma, Hodgkin’s dise


​Differential Diagnosis of Pelvic Abscess

Differential Diagnosis of Pelvic Abscess • Pelvic neoplasms, such as ovarian tumors and leiomyomas • Pelvic hematomas, as may occur after cesarean section or hysterectomy • Inflammatory masses involving adjacent bowel or omentum, such as ruptured appendi


​Differential Diagnosis of Abdominal Distention

Differential Diagnosis of Abdominal Distention Mechanical Obstruction •pneumatosis intestinalis, annular pancreas, Hirschsprung’s disease, intussusception, meconium • Volvulus • Stenosis at surgical anastomosis, radiation stenosis • Pregnancy • Other: p


​Differential Diagnosis of Abdominal Pain in Childhood

Differential Diagnosis of Abdominal Pain in Childhood •diabetic ketoacidosis (DKA), heavy metal poisoning, sickle cell • Pancreatitis • Other: functional abdominal pain, pyelonephritis, pneumonia, • Neoplasm • Intestinal obstruction • Inflammatory bowel


​Differential Diagnosis of Chronic lower Abdominal Pain

Differential Diagnosis of Chronic lower Abdominal Pain • Mediterranean fever, • C1 esterase deficiency [angioneurotic edema], • porphyria, • lead poisoning, • tabes dorsalis, • renal failure) • Testicular disease • Spinal disease • Metabolic diseas



​Differential Diagnosis of Diffuse Abdominal Pain

Differential Diagnosis of Diffuse Abdominal Pain •Periarteritis nodosa •Henoch-Schönlein purpura •adrenal insufficiency •ketoacidosis (DKA) •heavy metal poisoning • Urinary tract infection, pelvic inflammatory disease (PID) • Trauma • Sickle cell crisis •


Differential Diagnosis of Epigastric Abdominal Pain

Differential Diagnosis of Epigastric Abdominal Pain • gastric ulcer • Vascular: dissecting aneurysm, mesenteric ischemia • Subphrenic abscess • Pulmonary: pneumonia, pleurisy, pneumothorax • Pancreatic: pancreatitis • Other: gastroenteritis, anxiety • In