Lichen Planus Mnemonic

PPPP

Purple
Polygonal
Pruritic
Papules

drug induced pemphigus mnemonic

CRAPP

Captopril
Rifampin
Ampicillin
Penicillin
Pencillamine

Henoch-Schonlein purpura: signs and symptoms Mnemonic

NAPA

Nephritis

Arthritis, arthralgias

Purpura , palpable (especially on lower extremities)

Abdominal pain (intussusception to be ruled out)

Focal Dermal Hypoplasia Syndrome/Goltz syndrome Mnemonic

FOCAL

Female sex (85-90%)

Osteopathia striata

Coloboma

Absent ecto-, meso-, and neuro-dermis elements

Lobster claw deformity

Skin Lesion Description Mnemonic

LES T CABS

Location and distribution (e.g. bilateral/symmetrical)
Erythema (e.g. yes or no)
Surface features (e.g. scale, verrucous)
Type (e.g. papule, nodule, vesicle)
Color (e.g. violaceous, blue)
Arrangement (e.g. grouped)
Border/shape (e.g. linear, serpiginous)
Special sites/systemic (e.g. oral, nails, scalp)

Pruritis: Systemic Causes Mnemonic

ITCH:

Iron deficiency anemia/ Internal malignancy
Thyroid disease/ Type 1 DM
CRF/ Chronic liver disease
HIV infection/ Hereditary hemochromatosis

Raynaud's Phenomenon Causes Mnemonic

COLD HAND:

Cryoglobulins/ Cryofibrinogens
Obstruction/ Occupational
Lupus erythematosus, other connective tissue disease
Diabetes mellitus/ Drugs
Hematologic problems (polycythemia, leukemia, etc)
Arterial problems (atherosclerosis)
Neurologic problems (vascular tone)
Disease of unknown origin (idiopathic)

Painful Cutaneous Nodules Causes Mnemonic

BENGAL CO.:
Blue rubber bleb nevus
Eccrine spiradenoma
Neurilemmoma/ Neuroma
Glomus tumor
Angiolipoma/ Angioleiomyoma/ Angiosarcoma
Leiomyoma
Cutaneous endometriosis/ Calcinosis cutis
Osteoma cutis

Albinism: Type I vs Type II Mnemonic

"One has None. Two Accumulates":
Type I: have no pigment.
Type II: No pigment at birth, but accumulates as person ages.

Mediators / Mechanism of Prurittis Mnemonic

ITCH O PINS

Interlukin-3I
Tryptase
Cathespin S
Histamine

Opioid (mu) recepter agnoists

Prostaglandin E2
Interleukin-2
Nerve Growth Factor
Substance P

Cafe-au-lait Macules Causes Mnemonic

BATANS

Bloom's syndrome
Albright's syndrome
Tuberous sclerosis
Ataxia telangiectasia
Neurofibromatosis
Sliver-Russel Syndrome

Painful Skin Neoplasm Mnemonics

Blue ANGEL

Blue rubber bleb nevus
Angiolipoma
Neuroma
Glomus tumor
Eccrine spirademona
Leiomyoma

Epidermal Layers Mnemonic

Best Skin Gets Little Calluses

   deep to superficial:
Basale
Spinosum
Granulosum
Lucidum
Corneum

Epidermis Layers Mnemonic

Come, Let's Get SunBathe

·  superficial to deep:
Corneum
Lucidum
Granulosum
Spinosum
Basale 

Psoriasis Types Mnemonic

PEP G

Plaque
Erythrodermic
Pustular
Guttate

Generalized Skin Hyper-pigmentation Causes Mnemonic

in generalized, none of the skin is SPARED

Sunlight
Pregnancy
Addison's disease
Renal failure
Excess iron (haemochromatosis)
Drugs (eg busulphan)

Psoriasis pathogenesis Mnemonic

HARP

Hyperkeratosis – thickening of cornified layer
Acanthosis – epidermal thickening (3-5 times normal)
Rete ridge elongation (arrowheads)
Parakeratosis – retained nuclei in stratum corneum

STOP
Subungal Hyperkeratosis (proliferation under nail bed)
Thickening
Onycholysis (separation from nail bed)
Pitting, ridging

Also Remember
Absence of granular layer and infiltration with neutrophils and activated lymphocytes (from dermis to epidermis)

Nail Changes (as much as 50% of the patients)