Items tagged “abdomen”

The anterior pararenal space is the portion of the retroperitoneum that lies between the posterior surface of the parietal peritoneum and the anterior reflection of the perirenal fascia. Gross anatomy It contains the duodenum (D2 and D4), pancreas and retroperitoneal segments of the ascending ...

The ascending lumbar communicant vein is a communication between the left ascending lumbar vein and the left renal vein. Because of its retroperitoneal location, when dilated, it may be mistaken for a lymph node on non-contrast studies with thick collimation. The image shows the left renal vein...

Sarcoidosis is a systemic inflammatory disease of unknown origin characterized by the formation of non-caseating granulomas. Virtually any organ system may be involved. Although less common than pulmonary and mediastinal disease, abdominal sarcoidosis can mimic more common infectious or neoplast...

Tuberculous peritonitis is a form of extrapulmonary tuberculosis affecting the peritoneum. It is frequently seen in association with other forms of gastrointestinal tuberculosis 6. Epidemiology Tuberculosis is usually confined to the respiratory system but may involve any organ system 1. Extra...

Accessory gallbladders are a rare anatomical variant occurring in 0.03% of cases (approximately 1 in 3000 people). They can arise from either the left or right hepatic ducts or both. Accessory gallbladders arise from a bifid diverticulum of the hepatic duct in the 5th or 6th week of development ...

The ascending colon is the second part of the large bowel. Gross anatomy The ascending colon is the continuation of the cecum superior to the ileocecal valve. It is secondarily retroperitoneal, although it has its own mesentery in approximately 25% of patients and is 15 cm in length 1,2. The ...

The iliopsoas compartment is an extra-retroperitoneal space that runs along the posterior aspect of the abdomen and pelvis and extends into the thigh. It should be noted that the posterior abdominal wall does not have a consensus definition and that psoas muscles are sometimes included as the p...

The inguinal ligament (also known as Poupart's ligament or the fallopian ligament) is a fibrous band extending from the anterior superior iliac spine to the pubic tubercle. It is an important anatomical landmark and denotes the transition of the pelvis to the lower limb. Gross anatomy The ingu...

The posterior right subhepatic space (also known as the hepatorenal fossa or Morison pouch) separates the liver from the right kidney. It is a potential space that is not filled with any fluid in normal conditions. Gross anatomy The posterior right subhepatic space is a subcompartment of the s...