​Differential Diagnosis of Acute Scrotum

Differential Diagnosis of Acute Scrotum • Testicular torsion • Testicular neoplasm • Referred pain, hernia, urolithiasis • Orchitis • Epididymitis



​Differential Diagnosis of Adnexal Mass

Differential Diagnosis of Adnexal Mass • Uterus (fibroid, neoplasm) • Urinary tract (pelvic kidney, distended bladder, urachal cyst) • Retroperitoneum (neoplasm, abdominal wall hematoma or abscess) • Ovary (neoplasm, endometriosis, functional cyst) • Infl


Differential Diagnosis of Unilateral Adrenal Mass

57) Differential Diagnosis of Unilateral Adrenal Mass • Nonfunctional lesions: incidentaloma of adrenal, ganglioneuroma, myelolipoma, hematoma, adenolipoma, metastasis • Functional lesions: adrenal adenoma; adrenal carcinoma; pheochromocytoma; primary a


​Differential Diagnosis of Bilateral Adrenal Mass

Differential Diagnosis of Bilateral Adrenal Mass • Nonfunctional lesions: infection (tuberculosis, fungi), infiltration (leukemia, lymphoma), replacement (amyloidosis), hemorrhage, bilateral metastases • Functional lesions: adrenocorticotropic hormone (AC


​Differential Diagnosis of Adynamic Ileus

Differential Diagnosis of Adynamic Ileus • Skeletal injury (rib fracture, vertebral fracture) • Renal colic • Metabolic disease (hypokalemia) • Medications (e.g., narcotics) • Laparotomy • Infection (retroperitoneal, pelvic, intrathoracic) • Abdominal tra


​Differential Diagnosis of Aerophagia (Belching, Eructation)

Differential Diagnosis of Aerophagia (Belching, Eructation) • Rapid food ingestion • Poorly fitting dentures, orthodontic appliances • Nursing infants (especially when nursing in horizontal position) • Ingestion of legumes, onions, peppers • Hiatal hernia


​Differential Diagnosis of Agoraphobia

Differential Diagnosis of Agoraphobia • Therapeutic (theophylline, steroids) and recreational (cocaine, amphetamine, caffeine) drugs and drug withdrawal (alcohol, barbiturates, benzodiazepines) • Post-traumatic stress disorder (cued by recall of a stresso


Infectious Diseases and Microbiology - Intra Abdominal Abscess

Infectious Diseases and Microbiology - Intra Abdominal Abscess  Bacteroides fragilis causing intra abdominal abscess. it is an anaerobe bacteria with gram negative rod shaped. Colon and vaginal normal flora include B fragilis. The most common way infect