Certified Surgical First Assistant (CSFA) Practice Test

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What is a stagnorn stone?

  1. A stone that dissolves on its own

  2. One that lodges and continues to grow in the renal calyx

  3. A stone located in the bladder

  4. A type of stone that causes infection

The correct answer is: One that lodges and continues to grow in the renal calyx

A stagnorn stone refers to a specific type of kidney stone that lodges itself within the renal calyx and continues to grow. This characteristic of being retained and progressively increasing in size is significant as it can lead to further complications such as obstructive uropathy, infection, or kidney damage if left untreated. The anatomical positioning of a stagnorn stone in the renal calyx also impacts management strategies, as these stones may not be easily passed and often require medical intervention. Understanding such a particular type of stone is crucial for those studying surgical assistance, as it emphasizes the importance of proper diagnosis and treatment planning in urological surgeries and patient care.