50 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... syndromes Clinical ... multiorgan failure • Fever ... - Nonremitting fever ... Diagnosis #Management #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Lymphohistiocytosis (HLH ... ) Clinical Features ... : Fever, Splenomegaly ... 8 criteria: • Fever ... Lymphohistiocytosis #diagnosis #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: Overwhelming clinical ... syndrome associated ... following: • Fever ... • Bicytopenia Treatment ... #hematology
Sweet’s Syndrome - Acute febrile neutrophilic dermatosis 

The syndrome involves fever, painful rash, neutrophilic leukocytosis, and
Sweet’s Syndrome ... involves fever, ... #Sweets #Syndrome ... neutrophilic #dermatosis #dermatology ... #Rash #Skin #Clinical
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
accumulation of clinical ... : fever +++, hepatosplenomegaly ... , ↓ Fibrinogen level ... Drugs, Unknown cause ... Treatment: •
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... mentagrophytes) Clinical ... Hair loss • Fever ... Lymphadenopathy Treatment ... Griseofulvin #Kerion #Dermatology
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Fever: • Regulated ... ; Serotonin syndrome ... BrighamChiefs #Fever ... #Hyperthermia #comparison
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... mountain spotted fever ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
TTP/HUS, HELLP Syndrome ... Pregnancy (AFLP) Three syndromes ... child * Severe cases ... AFLP #obstetrics #hematology ... diagnosis #table #comparison
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... explain symptoms • Fever ... pulmonary edema) • Fever ... Transfusion #Reactions #hematology ... #diagnosis #comparison