57 results
Quick review on streptococcal skin infections. 

Images from dermnet.nz

#diagnosis #clinical #differential #dermatology #skinrash #skin
streptococcal skin infections ... #diagnosis #clinical ... #differential # ... dermatology #skinrash
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... integrity (trauma, infection ... #Diagnosis #Dermatology ... Palpable #Algorithm #Differential
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
a dermatophyte infection ... lipid-dependent yeasts Clinical ... meatballs appearance Management ... Tinea #Versicolor #Dermatology ... SkinRash #Diagnosis #Management
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Neutrophil (Normal) Differential ... likelihood of negative clinical ... #Bandemia #differential ... #pathophysiology
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
fungal ringworm infection ... mentagrophytes) Clinical ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... disease • Infectious ... and M panel Management ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Triggering factor (infection ... accumulation of clinical ... Assessment • Clinical ... Lymphohistiocytosis #diagnosis #management
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
vasculitis (3%) • Infections ... Vasculitis #dermpath #dermatology ... lesions #diagnosis #clinical ... pathology #lesions #differential
Fluid Analysis 
A systematic approach to analysis of the fluid in conjunction with the clinical presentation
conjunction with the clinical ... etiology, narrow the differential ... diagnoses, & design a management ... examinations & infectious
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
Infectious manifestations ... myelodysplastic #syndrome #differential ... #diagnosis #dermatology ... #oncology #clinical