Retroperitonuem tumor

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Q) A 42 year old lady undergoes exploration for a retroperitoneum mass. In OT it is suspected that this is a liposarcoma. Which of the following is  not true about liposarcoma? ( Some MRCS Questions) 

a) Liposarcoma is the most common variant of sarcomas

b) They have a  pseudocapsule

c) They can grow quite large before producing symptoms

d) They are locally invasive and do not metastatize

Atrial Septal Defect

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Most Common Type of ASD MCQ for NEET SS | mcqsurgery.com

Most common type of atrial septal defect (ASD) is:

Correct Answer

B) Ostium secundum

Explanation

Atrial septal defects are classified according to their anatomical location within the atrial septum.

  • Ostium secundum ASD:
    Located at the region of the fossa ovalis. It accounts for approximately 70–75% of all atrial septal defects, making it the most common type.
  • Ostium primum ASD:
    Less common. Typically associated with atrioventricular septal defects and endocardial cushion defects.
  • Sinus venosus ASD:
    Relatively rare. Commonly associated with partial anomalous pulmonary venous return.
  • Comparison:
    Since ostium secundum defects are far more frequent than other types, option (D) is incorrect.

Teaching Points

  • Ostium secundum ASD is the most common type (≈70–75%)
  • Located at the fossa ovalis
  • Ostium primum ASD is associated with AV canal defects
  • Sinus venosus ASD is commonly associated with anomalous pulmonary venous return
  • Fixed split S2 is a classic clinical finding in ASD
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Racoon Eye

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Q) Racoon eye is seen in 

a) Head injury

b) Sub galeal haematoma

c) Sub conjunctival haemorrhage

d) Nasal bone fracture

Answer free

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Q. The most common complication of Bevacizumab is
a) hypertension
b) Hyperglycemia
c) Rashes
d) Gastrointestinal perforations

Answer