9 results
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
may appear as rough ... different appearance may ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... Syndrome (MAS) ... Petechial or purpuric rash ... #Syndrome #Diagnosis ... #Management #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
on erythematous base ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
from other rashes based ... erythematous rash ... Nikolsky sign may ... #Diagnosis #Dermatology ... #Erythematous #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... Differential Diagnosis ... • Goodpasture syndrome ... #rash #diagnosis ... #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... excessive macrophage activation ... It presents as an ... response HLH-94-based ... management #treatment #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... Chronic B-cell activation ... Erythematosus #Diagnosis ... #Rheumatology
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
• Presents as ... (28%) • Skin rash ... 14%), in which case ... • Rubella • Syphilis ... #HIV #diagnosis
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
- Differential Diagnosis ... Primary Causes: • Mast ... cell activation ... syndrome • Mastocytosis ... #hematology #allergy