AWOM Flashcards
What are the nine layers of the abdominal wall?
Skin, Subcutaneous Tissue, Superficial Fascia, External Oblique Muscle, Internal Oblique Muscle, Transversus Abdominis Muscle, Transversalis Fascia, Preperitoneal Adipose Tissue, Peritoneum
What surgical incision provides the most access to intra-abdominal organs?
Midline incision
What is the most common approach for an appendectomy?
McBurney’s Incision
Which incision is primarily used for cesarean sections?
Pfannenstiel incision
What is the advantage of a transverse abdominal incision?
Lower risk of incisional hernia
What congenital abnormality results from failure of the midgut to return to the abdomen?
Omphalocele
What is the key difference between gastroschisis and omphalocele?
Gastroschisis lacks a peritoneal covering, while omphalocele is covered by an amniotic sac.
What is the most common type of non-incisional hernia?
Umbilical hernia
Which type of hernia occurs due to weakness below the arcuate line?
Spigelian hernia
What factors increase the risk of incisional hernias?
Diabetes, immunosuppression, obesity, smoking, malnutrition, connective tissue disorders
What is the standard treatment for incisional hernias?
Mesh repair
Which type of laparoscopic hernia is at high risk for bowel strangulation?
Richter’s hernia
What is Rectus Abdominis Diastasis?
Separation of rectus muscles without a true fascial defect
What is the mainstay of treatment for Rectus Sheath Hematoma?
Observation or surgical intervention depending on severity
What is the ‘Policeman of the Abdomen’?
Greater omentum
What is the best imaging modality for diagnosing omental infarction?
CT Scan
What is the most common malignant tumor of the omentum?
Metastatic ovarian cancer
What is the characteristic sign of a mesenteric cyst?
Tillaux’s Sign (lateral mobility but not vertical)
What is the most common benign mesenteric tumor?
Desmoid tumor
What is the most common malignant mesenteric tumor?
Lymphoma
What imaging study is best for diagnosing retroperitoneal fibrosis?
CT Scan with contrast
What is the first-line treatment for retroperitoneal fibrosis?
High-dose prednisone for one month
What is the most common retroperitoneal sarcoma?
Liposarcoma and Leiomyosarcoma
What imaging study is recommended for retroperitoneal sarcomas?
Contrast-enhanced CT scan