16 results
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
) Clinical Features ... : ↑↑ ferritin, Anemia ... IL-2 receptor Diagnostic ... Criteria): Molecular diagnosis ... #hematology #criteria
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Bandemia, AKI. ... possible Patient's clinical ... the key to the diagnosis ... #Skin #Rash #dermatology ... #clinical #photo
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... with leukopenia, anemia ... 5000 to 10,000 ng/mL ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: Overwhelming clinical ... Presentation / Diagnosis ... Diagnosis via genetic ... Ferritin >500 ng/mL ... management #treatment #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
) Pathophysiology ... accumulation of clinical ... Assessment • Clinical ... sIL-2R >2400 Ul/ml ... treatment #summary #rheumatology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
and Differential Diagnosis ... CD13, CD33, CD34, HLA-DR ... Pelger-Huet, Macrocytic anemia ... CD23, o CML ... Blood #Disorders #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Hodgkin Lymphoma - Clinical ... Weight loss • Anemia ... Immune hemolytic anemia ... (MCHL) - Lymphocyte ... classification #hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Differential Diagnosis ... likelihood of negative clinical ... neutrophil #WBC #CBC #hematology ... #pathophysiology
General Approach to Anemia - Differential Diagnosis Framework
1) Check reticulocyte count to determine if hypo/hyper-proliferative
2) Exclude
General Approach to Anemia ... - Differential Diagnosis ... haptoglobin) 3) Use MCV ... & clinical context ... #hematology #algorithm
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... dorsal part of the MCP ... auricular papules Clinical ... #dermatology #diagnosis