9 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... - Differential diagnosis ... nummular eczema, tinea ... #dermatology #photo ... #PhysicalExam
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Tinea Capitis in ... Tinea capitis, a ... #clinical #photo ... #NEJM #tinea #capitis ... #ringworm #derm
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
, non-specific skin ... rashVitamin ... • Thiamine - Nausea ... cognition and long-term ... #differential #diagnosis
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... deficiency • Vitamin ... - Secondary to Skin ... capitis • ... #Algorithm #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
- Differential Diagnosis ... Folliculitis decalvans, Tinea ... Capitis - ... Skin Disease: Discoid ... Broken Hair Shafts: Tinea
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... dermatophytes cause ... skin of inflamed ... type #clinical #photo
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... disease • Slipped capital ... • Bursitis • IBD ... #differential #diagnosis ... extremity #msk #physicalexam
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... • Common Causes ... anemia, yellow skin ... palpitations), skin ... • P/E - GI and derm
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... But the term is ... in other body cavities ... and spaces can cause ... Subcutaneous #Emphysema #PhysicalExam