26 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
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
- Pathophysiology ... red-flags to exclude dermatologic ... sulfa-drug - Skin ... #Diagnosis #Dermatology ... Targetoid #Algorithm #Differential
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
tenderness over ligament ... are inflamed In skin ... , ridging, oil spots ... PsoriaticArthritis #pathophysiology ... diagnosis #signs #symptoms
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... of germinative skin ... Basophils/Histamine 4) Skin-homing ... #Diagnosis #Dermatology ... Nikolsky #Algorithm #Differential
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
paresthetica • Symptoms ... 3-6 months of symptom ... lateral inguinal ligament ... MeralgiaParesthetica #MSK #pathophysiology ... #differential #
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
Pathyophysiology ... diabetes Key signs/symptoms ... hypovolemia (dry MM, skin ... hypotension) DKA: Short
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Physiologic Skin ... in Pregnancy - Differential ... number (probable) Skin ... Campbell de Morgan spot ... #dermatology #Differential
Age-Focused Initial Evaluation for Pyoderma Gangrenosum 

All Patients: 
 - A thorough history and physical examination
comorbidities and symptoms ... - Skin biopsy ... ) - CBC with differential ... Evaluation #Age #Dermatology
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Decr Visual pigment ... conjunctiva) • Bitot's spots ... #Xeropthalmia #pathophysiology ... diagnosis #signs #symptoms
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
workup for specific symptoms ... organ-specific signs or symptoms ... (eg, skin or esophageal ... Disorders #Algorithm #Differential ... #diagnosis #hematology