34 results
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... ) • Behcet's syndrome ... Painless: • Primary ... syphilis (chancre ... ulcerative #skinrash #dermatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelogenous Leukemia • Primary ... disorders • Celiac disease ... effect following treatment ... #Hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Causes == Primary ... Cholestatic liver disease ... Myelodisplastic syndrome ... Psychiatric Disease ... #generalized #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... /Quantity: • Primary ... Kasabach-Merritt syndrome ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... • Pancreatic Disease ... Myelodysplastic Syndromes ... • Liver Disease ... #Hematology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... , but without treatment ... resembling rashes caused ... Diagnosis #Clinical #Photo ... #Dermatology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Primary Syphilis ... Without treatment ... similar to those of B12 ... granuIomas on skin ... of Infectious Diseases
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
chronic kidney disease ... Megaloblastic: Vitamin B12 ... Myelodysplastic syndrome ... differential #diagnosis #causes ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... Hemolytic uremic syndrome ... usually IgM) (e.g. primary ... differential #diagnosis #hematology
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
1) Primary Syphilis ... responsible for most cases ... weight loss • Skin ... Albuminuria, nephrotic syndrome ... meningovascular disease