Chediak Higashi syndrome is characterisedwhich of the following defect of patelets?
**Core Concept**
Chediak-Higashi syndrome is a rare genetic disorder characterized by oculocutaneous albinism, immunodeficiency, and bleeding tendency due to a defect in the lysosomal trafficking regulator protein (LYST). This defect affects the function of various cells, including platelets.
**Why the Correct Answer is Right**
The correct answer is related to the defect in platelet function, which is a result of impaired lysosomal trafficking and fusion in platelets. This leads to abnormal platelet granule formation and release, resulting in impaired platelet aggregation and bleeding tendency. The defect in LYST protein affects the functioning of various cellular processes, including platelet secretion and aggregation.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as it does not directly relate to the defect in platelet function caused by Chediak-Higashi syndrome.
**Option B:** This option is incorrect as it is not a known defect in platelet function associated with Chediak-Higashi syndrome.
**Option C:** This option is incorrect as it is not a direct result of the LYST protein defect in platelets.
**Clinical Pearl / High-Yield Fact**
Chediak-Higashi syndrome patients may present with recurrent infections, bleeding tendency, and oculocutaneous albinism. It is essential to recognize this rare disorder to provide appropriate management and genetic counseling.
**Correct Answer:** Not Provided