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Syphilis Staging - Primary, Secondary, Latent and Tertiary - Timing and Features

Primary syphilis classically presents with
Syphilis Staging ... Secondary, Latent and Tertiary ... Tertiary syphilis ... Diagnosis #Syphilis #Staging ... Secondary #Latent #Tertiary
Syphilis - Diagnosis and Management - Primary vs Secondary vs Tertiary
Primary Syphilis
 • Localized lymphadenopathy
 •
vs Secondary vs Tertiary ... • Periostitis Tertiary ... Primary #Secondary #Tertiary ... Management #stages #staging
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
MEN 1 and 2A Tertiary ... setting of long-standing
Internal Hemorrhoids - Classification
Grade l: 
 • 1st-degree or primary hemorrhoids - normal or near-normal
 •
3rd-degree or tertiary ... • Itching, staining
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Late (Tertiary) ... Secondary #Latent #Tertiary ... #Diagnosis #Staging
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
• In tertiary ... pressure • Gram stain ... Negative CSF Gram stain
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
vs Secondary vs Tertiary ... ↓Phosphate • Tertiary ... Primary #Secondary #Tertiary
Syphilitic gummas in Tertiary syphilis
Tertiary syphilitic gummas may mimic basal cell carcinoma. The gummatous tumors are
Syphilitic gummas in Tertiary ... syphilis Tertiary ... #gummas #Tertiary
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
Important Fungal Stains ... analine blue) dye stains ... fungi but doesn't stain ... silver (GMS) - Stains ... #Fungal #Stains
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
Primary #Secondary #Tertiary