12 results
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... contagious of all ... treatment, the infection ... oral cavity and genital ... Clinical #Photo #Dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
integrity (trauma, infection ... of primary or secondary ... affected (commonly renal ... #Diagnosis #Dermatology ... #Rash #Petechiae
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
in primary or secondary ... - Trauma - Infection ... Disseminated gonococcal infection ... : - ITP - APLS ... Algorithm #Causes #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
leakage of RBC's secondary ... - PNH - APLS ... • Acute Infectious ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Malaise, bleeding, infections ... pain, bleeding, infections ... distinctive primary granules ... bone marrow and secondary ... #Leukemia #Hematology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vulnificus skin infection ... rapidly evolving rash ... All oysters at Chesapeake ... immunosuppressive meds ... #dermatology #legs
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
Not all MAHAs are ... are primary and secondary ... /o significant renal ... cancer, transplant, infection ... Microangiopathy #TMAs #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... Rash is usually ... form of acquired dermal ... Fever + facial rash ... differential #diagnosis #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
vasculitic diseases secondary ... inflammation or infection ... While all patients ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Classified among the secondary ... lymphadenopathy • Central ... Petechial or purpuric rash ... SLE], AOSD) • Infection ... Diagnosis #Management #Hematology