3 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Ferritin >1000 ng ... Infections+++: Virus (EBV ... biologics (CMV +++, EBV ... Drugs, Unknown cause ... of emergency, ICU
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
Pulmonary Symptoms ... Birbeck granules (EM ... DIAGNOSIS • Imaging ... TREATMENT OPTIONS ... is crucial in pulmonary
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... Hamilton, MD (EM ... over the left anterior ... over the left anterior ... Most commonly caused