Hypopigmentation, silvery-gray hair streaks, neutrophil degranulation defects, and neuropathy are hallmarks of_____________?
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Answer: D. Chediak higashi syndrome
Explanation
Chediak-Higashi syndrome is characterized by hypopigmentation, silvery hair, neutrophil defects, and peripheral neuropathy. The genetic condition involves impaired lysosomal trafficking affecting multiple organ systems throughout the body. Neutrophil degranulation defects severely compromise host defense mechanisms against recurrent bacterial infections. Chediak-Higashi syndrome is a rare autosomal recessive disorder caused by mutations in the LYST gene. Oculocutaneous albinism manifests as partial hypopigmentation of the skin, eyes, and silvery-gray hair shafts. Giant lysosomal granules are readily visible within leukocytes upon examining peripheral blood smear laboratory samples.
Affected pediatric patients suffer from severe recurrent infections requiring aggressive prophylactic antibiotic and supportive care. Neurological complications progressively develop over time, affecting peripheral nerve function and motor coordination skills. Hematopoietic stem cell transplantation remains the only curative therapy available for severe presentations of this syndrome. Aleukemic leukemia presents with leukemic infiltrates and bone marrow failure without oculocutaneous albinism or silvery hair. Chronic granulocytic leukemia is a myeloproliferative neoplasm characterized by the Philadelphia chromosome and massive splenomegaly. Lazy leukocyte syndrome involves defective neutrophil chemotaxis and mobility without associated silvery hair or neuropathy.
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