10 results
Seborrheic keratoses vary widely in appearance - one of the most common benign skin lesions that
Seborrheic keratoses ... the most common benign ... Key features: well ... #Keratoses #Dermatology ... #Clinical #Photo
Seborrheic keratosis 
 - Well-circumscribed, stuck-on appearance 
 - Waxy texture 
 - Verrucous surface
Seborrheic keratosis ... - Well-circumscribed ... #Dermatology #Diagnosis ... #Benign #Clinical ... #Photo
Blue nevus 
 - Dark blue-gray macule or papule 
 - Well-circumscribed 
 - Melanin localized
- Dark blue-gray ... or papule - Well-circumscribed ... #Blue #Nevus #Dermatology ... #Diagnosis #Benign ... #Clinical #Photo
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Lichen planus - Wrists ... scale • Basal cell ... skin • Squamous cell ... ; pruritis #dermatology ... #differential #diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... • Plasma cells ... Swelling notable on Xray ... drift of fingers, radial ... signs #symptoms #diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... of inflammatory cells ... fingers, volar wrists ... #Differential #Diagnosis ... #Dermatology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
Group of chronic, benign ... : • Chronic, benign ... allow red blood cells ... #differential #diagnosis ... #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... Well-circumscribed ... infectiosum • Fever + facial ... #differential #diagnosis ... #dermatology #compared
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
obstruction X-Ray ... SPB - commonly axial ... Diagnosis? ... EMD myeloma Diagnostic ... #Workup #Hematology
Pyoderma Gangrenosum (PG)
50 M Crohn’s dz had a small pustule on the ankle 4 mo ago
Diagnosis? ... complex neutrophilic dermatosis ... neutrophils & T-cells ... #PG #clinical #photo ... #dermatology #ulcer