17 results
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 ... severity of the disease ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
l MD SOAP) - Risks ... PT, aPTT(liver disease ... changes), high MCV ... anemia (vegan, ... bypass), LFT (liver disease
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
, dermatomyositis ... Malignancy (e.g. hematologic ... vein thrombosis Hematologic ... lymphopenia, low PLT • Anemia ... La, anti-Jo-1, SCL
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 ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Onset Still's Disease ... with urticarial rash ... Ferritin >3000 ng/mL ... AOSD #diagnosis #rheumatology ... #management
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Overview: ALL, CML ... extramedullary disease ... -> AML: Blast crises ... - infiltrates (anemia ... #Leukemia #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... • Autoimmune diseases ... Adult-onset Still disease ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
(blue-purple) rash ... • Erythematous rash ... dorsal part of the MCP ... had more severe disease ... #diagnosis #management
Scleroderma Renal Crisis (SRC)

Clinical Presentation of Scleroderma Renal Crisis:
1) Acute kidney injury
2) Abrupt onset of hypertension
3)
microangiopathic hemolytic anemia ... (MAHA) Pathophysiology ... of arteries Management ... #rheumatology # ... nephrology #diagnosis #management
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Diagnosis and Management ... and pernicious anemia ... Person Syndrome Pathophysiology ... Anti-GAD Ab (>1000u/ml ... SPS #Diagnosis #Management