abdominal pain

This tag is associated with 16 posts

Fatty Liver Disease – Foie Gras

History: 50 year old male with right upper quadrant pain Fatty liver disease is generally divided into two main categories, alcoholic liver disease and non-alcoholic fatty liver disease (NAFLD). More than 15 million people in the U.S. abuse or overuse alcohol. Almost all of them — 90%-100% — develop fatty livers. Fatty liver can occur after … Continue reading

Neutropenic Colitis (Typhlitis)

History: 50 year old female with right lower quadrant pain. Typhlitis is a necrotizing process of the cecum, occurring in neutropenic patients who are usually receiving combined chemotherapy. The atonic cecum is affected because of its poor arterial perfusion, the presence of colonic bacteria, and the milieu of immunosuppression. Other terms that have been used … Continue reading

Perforated Appendicitis MRI

History: 16 year old with abdominal pain This is a case of perforated appendicitis. Appendicitis usually occurs due to obstruction of the appendix at its origin from the cecum, in this case due to an appendicolith. This causes build up of secretions and mucus within the lumen of the appendix, which then dilates. The resultant … Continue reading

Ovarian Dermoid Cyst MRI

History: 14 year old female with right lower quadrant pain This is the appearance of an ovarian dermoid cyst on MRI, also known as a mature teratoma. The name teratoma gives a clue as to the histology of the dermoid cyst, usually containing parenchymal cell types from all three germ cell layers (mesoderm, endoderm, and … Continue reading

Solution to Unknown Case #39 – Pneumatosis Intestinalis with Pneumoperitoneum

This is a case of pneumatosis intestinalis with pneumoperitoneum. Pneumatosis intestinalis can be caused by many different entities. The most worrisome scenario is bowel ischemia. Small bowel ischemia is usually due to occlusion of either the superior mesenteric artery or superior mesenteric vein. Colonic ischemia is usually due to hypoperfusion. This patient underwent subtotal colectomy. … Continue reading

Unknown Case #39 – Female with Abdominal Pain

History: 70 year old female with abdominal pain.  What are the yellow and red arrows pointing to? What is your diagnosis? Share below! Find the answer to this case here.

Solution to Unknown Case #21 – Mesenteric Lymphadenopathy Differential Diagnosis

History: 30 year old female with HIV and abdominal pain. This case demonstrates small bowel mesenteric lymphadenopathy, which is just enlarged lymph nodes in the mesentery. The differential diagnosis along with distinguishing factors is as follows: 1. Lymphoma – the most common malignant cause of mesenteric lymphadenopathy (most commonly Non-Hodgkins Lymphoma). Will commonly show node … Continue reading

Unknown Case #21 – Abdominal Pain CT of the Abdomen and Pelvis

History: 30 year old female with HIV and abdominal pain.  What is your differential diagnosis given the findings in this 30 year old female with a history of HIV and abdominal pain? Thank you to Paul Murphy, M.D. Ph.D. for these excellent images.

Solution to Unknown Case #5 – Calyceal Diverticulum

History: 16 year old female with recurrent flank pain.  This is the appearance of a calyceal diverticulum, which is a small outpouching or eventration of a calyx into the renal parenchyma. They are usually connected by a narrow channel to the renal pelvis, as seen in the IVP image above. A calyceal diverticulum can be … Continue reading


History: 50 year old female with abdominal swelling and pain.  This is the appearance of splenomegaly on CT. The normal spleen measures less than 13 cm in length. The differential diagnosis for splenomegaly is usually divided into blood flow problems (AKA: hemodynamics) such as congestive heart failure and portal hypertension, hematologic conditions such as polycythemia … Continue reading