Is Langerhan cell histiocytosis complicated with hydrops fetalis exclusively lethal in premature neonates?

Langerhans cell histiocytosis is a rare disease and is lethal in premature neonates. A male premature neonate born at gestational 33 weeks presented with generalized vesicles, hydrops fetalis with pleural effusion, bilateral cataracts, and severe respiratory distress syndrome complicated with persistent pulmonary hypertension. Skin biopsy confirmed the diagnosis of Langerhans cell histiocytosis.