**Core Concept**
Hereditary spherocytosis is a genetic disorder characterized by the production of abnormal red blood cells (RBCs) that are sphere-shaped instead of being biconcave disk-shaped. This condition leads to increased hemolysis and anemia. Splenectomy is a treatment option to alleviate symptoms by removing the spleen, which is the primary site of RBC destruction.

**Why the Correct Answer is Right**
Splenectomy is beneficial in patients with hereditary spherocytosis because it removes the spleen, which is responsible for the accelerated destruction of abnormal RBCs. This results in a significant reduction in hemolysis and improvement in anemia. The removal of the spleen also eliminates the risk of splenic rupture, which can be a life-threatening complication.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because while splenectomy is a common treatment for hereditary spherocytosis, it is not the only treatment option. Other treatments, such as blood transfusions and medications, may be used in certain cases.
**Option B:** This option is incorrect because splenectomy is generally not recommended for patients with hereditary spherocytosis who have a normal spleen size. In these cases, other treatments may be more effective.
**Option C:** This option is incorrect because while splenectomy can improve anemia in patients with hereditary spherocytosis, it does not eliminate the need for regular blood transfusions in all cases.

**Clinical Pearl / High-Yield Fact**
It is essential to note that splenectomy should only be performed in patients with hereditary spherocytosis who have a significantly enlarged spleen or are at risk of splenic rupture.

**Correct Answer:** A.