37 results
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
Hyperpigmentation Differentials ... the Mnemonic "no skin ... #5 #diagnosis #differential ... #symptoms #signs ... #dermatology #skin
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
Urticaria (hives): Skin ... with systemic symptoms ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... Urticaria #Hives #UCSDH
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... Acute onset of skin ... >2 of: • skin ... Signs / Symptoms ... #Anaphylaxis #pathophysiology
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
Pathyophysiology ... diabetes Key signs ... /symptoms of HHS ... hypovolemia (dry MM, skin
CREST Syndrome: Pathogenesis and Clinical Findings

CALCINOSIS (BB-sized, hard nodules in fingers)
RAYNAUD'S Phenomenon
ESOPHAGEAL DYSMOTILITY
SCLERODACTYLY (thickening and tightening
tightening of skin ... CREST #Syndrome #Pathophysiology ... #Diagnosis #Signs ... #Symptoms
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... /Symptoms: - Fever ... - Vasculitic skin ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... diagnosis #clinical #photo ... #signs #symptoms
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
are inflamed In skin ... Psoriatic plaques on skin ... PsoriaticArthritis #pathophysiology ... #diagnosis #signs ... #symptoms
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
manifestations Skin ... Inflammation of skin ... granulomas under skin ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Primary Sjogren’s Syndrome: Pathogenesis and Clinical Findings
• Primary Sjögren's is a solitary process whereas secondary Sjögren's
/ Symptoms: - ... Xeroderma (Dry skin ... Sjogrens #Syndrome #Pathophysiology ... #Diagnosis #Signs ... #Symptoms