Hypertrophic cardiomyopathy - phenotypic variations beyond wall thickness.

Hypertrophic cardiomyopathy (HCM) is characterized by left ventricular hypertrophy (LVH) in the absence of another causal disease. Several morphologic and histologic changes have been described. Given the morbidity and mortality associated with HCM, understanding these anatomic variations is key to interpreting imaging.

Splenic sequestration in the adult: cross sectional imaging appearance of an uncommon diagnosis.

Acute splenic sequestration crisis, the sudden pooling of red blood cells in the spleen, is an emergent process typically seen in children with homozygous sickle cell disease. Splenic sequestration has rarely been reported in adults with heterozygous sickle cell conditions, including sickle cell beta(+)-thalassemia disease (HbS/β-thalassemia). Here we present a case of a 32-year-old man with HbS/β-thalassemia who suffered an acute splenic sequestration crisis.

Ovarian dermoid cyst complicated by small bowel obstruction, entero-ovarian fistula formation, and malignant degeneration.

Dermoid cysts, or mature cystic teratomas, are complicated by malignant degeneration in only 1-2% of cases. Rarely, dermoid cysts result in complications of small bowel obstruction or entero-ovarian fistula formation. In the current report we present the case of a 59-year-old female with a known dermoid cyst who presented with leukocytosis and was discovered to have a small bowel obstruction at the level of an ileo-ovarian fistula.

Incidental myocardial perfusion defect detected on ECG-gated CT aortogram.

We report the case of a 49-year-old man with a history of diabetes and hypertension who presented to the emergency room with intermittent chest pain radiating to the back for one day. An electrocardiogram-gated CT aortogram excluded the emergency department's primary consideration of aortic dissection, but incidentally revealed a myocardial perfusion defect and corresponding coronary artery stenosis. Cardiac catheterization performed the following day confirmed the CT findings and the patient underwent angioplasty and stent placement.

Radiologic Imaging in Nonalcoholic Fatty Liver Disease and Nonalcoholic Steatohepatitis.

The article reviews the multimodality (ultrasound, computed tomography, and magnetic resonance [MR]) imaging appearance of nonalcoholic fatty liver disease (NAFLD) and discusses the radiologic diagnostic criteria as well as the sensitivity and specificity of these imaging methods. The authors review the role of both ultrasound and MR elastography for the diagnosis of fibrosis and for the longitudinal evaluation of patients following therapeutic intervention. Lastly, the authors briefly discuss the screening and diagnosis of hepatocellular carcinoma in patients with NAFLD, as there are special considerations in this population.