8 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... vasculitic diseases secondary ... Those with petechiae ... #Diagnosis #Dermatology ... #Petechial #Petechiae
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... lesions called petechiae ... Petechiae Etiology ... ultrasound #Petechial ... #Petechiae #Rash
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Diagnosis Algorithm ... Features of ... lymphadenopathy, petechiae ... hepatomegaly • Labs: anemia ... #hematology #WBC
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... of primary or secondary ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... erythroderma, petechiae ... High-risk Features ... #Diagnosis #Dermatology ... #Differential #
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Significant ↓ PLT: Petechiae ... - infiltrates (anemia ... or functional neutropenia ... bone marrow and secondary ... #Leukemia #Hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
caused by bleeding (petechiae ... DDX: Rule Out Secondary ... Myeloproliferative Disease • Neutropenia ... blood count with differential ... Syndromes #diagnosis #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Classified among the secondary ... mucosal bleeding (Petechial ... with leukopenia, anemia ... Histopathologic features ... Diagnosis #Management #Hematology