42 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Capitis - Skin ... , Loose anagen syndrome ... Examination: • Signs ... Examine the entire skin
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
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Diffuse and Focal) Differential ... • Loose anagen syndrome ... - Secondary to Skin ... #dermatology #Differential
Hypothyroidism – symptoms and signs.

Symptoms: 
Tiredness/malaise, 
Weight gain,
Anorexia,
Cold intolerance, 
Poor memory,
Change in appearance, 
Depression, 
Poor libido,
brittle unmanageable hair ... , Dry coarse skin ... hair, Loss of ... Carpal timel syndrome ... Goitre), Dry skin
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
thrombophlebitis Skin ... • Shin splints ... Poor pulses - Hair ... Brittle nails - Skin ... skin • Inflammation
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Focal / Localized Hair ... - Differential ... - Secondary to Skin ... • Congenital hair ... #dermatology #Differential
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
manifestations Skin ... Inflammation of skin ... granulomas under skin ... Auto-immune attack on hair ... follicles -> Alopecia
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Hyperpigmentation - Differential ... hypopigmentation of hair ... , eyes, skin • ... McCune Albright syndrome ... Hyperpigmentation #disorders #skin
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
inflammation onto hair ... inflammation on skin ... Destruction of hair ... pathophysiology #diagnosis #signs ... #symptoms #complications
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... staphylococcal scalded skin ... syndrome (SSS) ... , the differential ... Febrile #Fever #Differential