"de novo: with no prior history of myeloproliferative and myelodysplastic disorders"
Expected headings
"Associations"
"It is more commonly seen in children, with ~60% occurring in individuals less than 15 years of age. There is no recognised gender predilection."
"Almost any tissue can be affected, with skin and bone being the commonest. They have been reported in the skull, face, orbit, and paranasal sinuses. Lesions have been reported in the tonsils, oral and nasal cavities and within the lacrimal, thyroid and salivary glands. The central nervous system can also be affected."
"Almost any tissue can be affected, with skin and bone being the commonest. They have been reported in the skull, face, orbit, and paranasal sinuses. Lesions have been reported in the tonsils, oral and nasal cavities and within the lacrimal, thyroid and salivary glands. The central nervous system can also be affected."
"History and etymology"