487 results
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Trunk / Sacral Skin ... Radiation #Trunk ... #Sacral #SkinRash ... Diagnosis #Algorithm #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Nodosum #Mnemonic #Causes ... #Dermatology #SkinRash
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
dermatophyte infection Caused ... • Involves trunk ... #Dermatology #SkinRash
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
scars on face & trunk ... thick honey-yellow crusts ... #Pustular #SkinRash ... Diagnosis #Algorithm #causes
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
#Dermatology #SkinRash ... Erythema #Multiforme #Trunk
Characteristic features of the rash are:

-Rough texture (like sandpaper)
-Worse in the skin folds e.g. groin, axilla,
Peds #Pediatrics #SkinRash ... #ScarletFever #Trunk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... damage to the upper trunk ... palsy" is a common cause ... Dislocation - May cause ... Myotomes #diagnosis #neurology
Landau's Reaction (Reflex)  on Physical Exam

Landau's reaction is investigated holding the baby firmly under the
firmly under the trunk ... is followed by trunk ... the head and the trunk ... extension, then the trunk ... clinical #video #Neurology
Galant Reflex on Physical Exam

The Galant reflex is present at birth and remains until the 2nd
lateroflexion of the trunk ... control that allows trunk ... the side of the trunk ... persistent in cases ... clinical #video #Neurology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
tree pattern on trunk ... Papulosquamous #SkinRash ... Diagnosis #Algorithm #causes