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GI

This tag is associated with 30 posts

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

Pediatric Foreign Body Ingestion – Battery

History: Child with reported swallowed foreign body.  This is a case of a swallowed battery, which is an urgent finding that needs to be reported immediately to the referring clinician for endoscopic removal. Read about distinguishing batteries from other similar appearing foreign bodies such as coins here. Below is a penny in the esophagus.

Solution to Unknown Case #28 – Acute Cholecystitis on CT

History: middle aged man with right upper quadrant pain.  This is a case of acute calculous cholecystitis. Cholecystitis can be classified as either acute or chronic, and acute cholecystitis can be either calculous or acalculous. Calculous cholecystitis occurs in 95% of cases of cholecystitis, and acalculous cholecystitis occurs in 5% of cases of cholecystitis. This … Continue reading

Solution to Unknown Case #27 – Klatskin Tumor

History: 65 year old male with jaundice.  This is a Klatskin tumor causing bile duct obstruction and biliary dilatation. A Klatskin tumor is a cholangiocarcinoma that arises at near the confluence of the right and left hepatic ducts and causes obstruction of bile duct outflow, leading to biliary dilatation as seen in the second image … Continue reading

Unknown Case #28 – Coronal CT of the Abdomen

History: middle aged male with right upper quadrant pain.  What is your diagnosis in this middle aged male with right upper quadrant pain?

Unknown Case #27 – Axial CT of the Abdomen

History: 65 year old male with jaundice.  What is your diagnosis in this 65 year old male with jaundice? Comment and share below!

Solution to Unknown #26 – Metastatic Melanoma to Gallbladder

History: 50 year old female with melanoma.  This is a case of metastatic malignant melanoma to the gallbladder. Melanoma is the most common cancer to metastasize to the gallbladder, and it usually occurs in the setting of widespread metastatic disease. Melanoma metastases are usually hyperenhancing. The differential diagnosis in this case would include other causes … Continue reading

Unknown Case #26 – Coronal CT of the abdomen

History: 50 year old female with history of melanoma.  What is your diagnosis in this 50 year old female with a history of melanoma? Comment and share below!

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.

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