About Langerhans cell histiocytosis, true are all EXCEPT
DISCUSSING THE OPTIONS ONE BY ONE: a. Peak incidence less than 3 years of age - True; More common and more severe in younger children b. Radiosensitive -True - as Bone lesions & Pituitary lesions causing DI, respond well to radiotherapy c. Diffuse form is known as Letterer-siwe disease -True d. Gonadal involvement occurs - False; Gonadal involvement is usually not seen in LCH. - Involvement of bones, scalp, pituitary, lungs, hematopoiesis is seen
Peak incidence less than 3 years of age
Radiosensitive
Diffuse form is known as Letterer -siwe-disease
Gonadal involvement occurs
Neoplastic disorders of WBCs