48 results
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... Painless: • Primary ... syphilis (chancre ... ulcerative #skinrash #dermatology ... #Algorithm #causes
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Primary Syphilis ... the hallmark of primary ... Without treatment ... soles in 50% of cases ... Latent #Tertiary #Diagnosis
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
- Differential Diagnosis ... • Secondary Syphilis ... - Painless • Primary ... #skinlesions #dermatology ... #Algorithm #causes
Primary Syphilis
Usually, a single ulcer (chancre) appears at the site where the bacteria entered the body.
Primary Syphilis ... heals without treatment ... #Primary #Syphilis ... #Chancres #Diagnosis ... #Clinical #Photo
Syphilis - Clinical Manifestations and Treatment

1) Primary Syphilis
 • Direct lesion contact during sex is responsible
Syphilis - Clinical ... 1) Primary Syphilis ... responsible for most cases ... 30 years after primary ... #stages #diagnosis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
, but without treatment ... resembling rashes caused ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential Diagnosis ... Myelogenous Leukemia • Primary ... effect following treatment ... #Hematology
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Chronic heparin - Primary ... insufficiency - Critical ... #Differential #Diagnosis ... #Aldosterone #Comparison ... #Table #Causes
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... mentagrophytes) Clinical ... Lymphadenopathy Treatment ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... upper lid • Cause ... eyedrops, surgery #Clinical ... #Diagnosis #Management ... Stye #Chalazion #Comparison