30 Questions
What is the origin of the spleen?
Mesodermal origin
What is the percentage of white pulp in the spleen?
25%
What is the name of the ligament that suspends the spleen to the stomach?
Gastrosplenic ligament
What is the name of the artery that supplies blood to the spleen?
Splenic artery
What is the name of the lumen that contains the hepatic artery, portal vein, and common bile duct?
Free edge of the lesser omentum
What is the percentage of patients with spleneculi?
20%
What is a typical presentation of splenic infarction on a CT scan?
A wedge-shaped region of low attenuation
What is a common cause of massive splenomegaly?
Myelofibrosis
What is the purpose of ILAPS (Indium-labelled Autologous Platelet Scan)?
To predict platelet sequestration in spleen, liver or both
What is the hallmark of hypersplenism?
All of the above
What is the treatment approach for splenic infarction?
Conservative management, with splenectomy considered only for septic infarcts
What percentage of the population has splenunculi?
15-20%
What is the treatment for Grade 4 and 5 blunt injuries of the spleen?
Splenectomy
What is a common underlying cause of splenic infarction?
Sickle cell disease
Which of the following is a characteristic of RBCs after splenectomy?
Poikilocytosis
What is the term for splenic enlargement with a reduction in blood elements?
Hypersplenism
What is the classification of splenomegaly based on palpation?
Mild, moderate, and massive
What is a common cause of tropical splenomegaly?
Leishmaniasis
What is the formula to calculate the size of the spleen using US and CT scan?
Length x Width x Height x 0.52
What is the transient change in WBC count after splenectomy?
Neutrophilia
What is the main mechanism of Overwhelming Post-Splenectomy Infection (OPSI)?
Loss of splenic macrophages and complement system proteins
What is the main function of the splenic macrophages that is lost after splenectomy?
RE screening function
What is the primary indication for splenectomy in patients with idiopathic portal hypertension?
Absence of liver cirrhosis or thrombosis
Which of the following is a specific complication of splenectomy?
Gastric erosion
What is the reason why Streptococcus pneumoniae, Neisseria meningitides, and Haemophylus influenzae are not identified by macrophages?
They have a polysaccharide capsule
What is the primary consequence of OPSI if left untreated?
Respiratory and circulatory collapse
What is the antibiotic treatment for established OPSI?
Vancomycin with 3rd generation Cephalosporin
For which patients is long-term antibiotic treatment usually reserved?
Children with low titres from vaccination or immune suppression
How often should the Pneumococcus vaccine be repeated?
Every 5 years
When are the four vaccines typically given to patients?
2 weeks before surgery or after surgery when hemodynamically stable
Test your knowledge on the surgical aspects of the spleen, including its anatomy, ligaments, and relationships with surrounding organs. This quiz covers key points on the spleen's suspension, notches, and the contents of the lesser omentum.
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