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Omental mass
An omental mass, in abdominal ultrasound, refers to an abnormal growth or collection of tissue within the omentum, a fatty apron of tissue that hangs from the stomach and colon. These masses can be benign, such as omental cysts or inflammatory pseudotumors, or malignant, often indicating metastatic disease from primary abdominal or pelvic cancers. Ultrasound…Read MorePeritoneal carcinomatosis
Peritoneal carcinomatosis is a severe condition characterized by the widespread dissemination of cancer cells within the peritoneum, the membrane lining the abdominal cavity and covering its organs. Originating from various primary cancers, such as ovarian, colorectal, or gastric malignancies, it often indicates advanced disease and presents a significant challenge in abdominal oncology. Ultrasound plays a…Read MoreHernia
An abdominal hernia occurs when an organ or fatty tissue protrudes through a weak spot in the abdominal wall, often visible as a bulge. Common types include umbilical, inguinal, and incisional hernias, which can cause pain and discomfort. Ultrasound is a valuable diagnostic tool for assessing abdominal hernias, allowing clinicians to visualize the defect, identify…Read MoreBowel obstruction
In abdominal ultrasound, a bowel obstruction is a critical medical condition characterized by a blockage that prevents the normal passage of food, fluids, and gas through the intestines. This obstruction can be mechanical, caused by adhesions, tumors, or hernias, or functional, often due to paralytic ileus. Early ultrasound detection is crucial for timely intervention, helping…Read MoreMesenteric ischemia
Mesenteric ischemia is a critical abdominal condition characterized by reduced blood flow to the intestines, often leading to severe pain and tissue damage. In medical ultrasound, this can manifest as abnormal Doppler flow patterns in mesenteric arteries, bowel wall thickening, or the presence of gas within the bowel wall, indicating ischemia. Early sonographic detection is…Read MoreGastric outlet obstruction
Gastric outlet obstruction (GOO) is a common abdominal condition where the normal emptying of stomach contents is prevented due to a blockage at or near the pylorus. This obstruction can arise from various medical causes, including peptic ulcer disease, malignancy (such as gastric cancer or pancreatic head tumors), inflammatory conditions, or rarely, external compression. Patients…Read MoreDiverticulitis
Diverticulitis in the abdominal context refers to the inflammation or infection of diverticula, small, bulging pouches that can form in the lining of the digestive tract, particularly the colon. This condition manifests with symptoms like severe abdominal pain, nausea, fever, and changes in bowel habits. In medical ultrasound, diverticulitis can be identified by signs such…Read MorePeritoneal abscess
A peritoneal abscess is a localized collection of pus within the abdominal cavity, often resulting from ruptured appendicitis, diverticulitis, or surgical complications. In abdominal ultrasound, it appears as a complex fluid collection with irregular walls, internal echoes, and often gas bubbles, differentiating it from simple fluid. Diagnosing a peritoneal abscess with abdominal ultrasound is crucial…Read MoreFree intraperitoneal air
Free intraperitoneal air, often termed pneumoperitoneum, is the presence of air within the abdominal cavity, typically indicating a perforation of a hollow viscus like the bowel or stomach. In medical ultrasound, this finding is crucial, though often challenging to visualize directly. Sonographers may look for indirect signs such as increased echogenicity with reverberation artifacts, or…Read More
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