21 illustrated dermatology mnemonics!

dermatology mnemonic collage.jpg
compilation of dermatology mnemonics

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melanoma, warning signs — remember the ABCDEsAsymmetry, Border irregularity, Color variation, Diameter, Evolving/changing/growing over time

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cytological layers of epidermis, superficial to deapCalifornians love gorillas in string bikinis corneum, lucidum, granulosum, spinosum, basalis

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lichen planus, descriptors6 P’sPurple, Polygonal, Planar, Papules, Plaques, Pruritic

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generalized hyperpigmentation, differentialno skin SPAREDPregnancy, Addison’s disease, Renal failure, Excess iron, or Drugs (e.g., amiodarone, minocycline).

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papulosquamous eruption, differential5L’s + 5P’s = a ten!Lupus, Lichen planus (and other lichenoid reactions), Lichen simplex chronicus (LSC), Lichen nitidus, Lues (an antiquated name for Syphilis), Psoriasis, Pityriasis rosea, Pityriasis lichenoides et varioliformis acuta (PLEVA)/pityriasis lichenoides chronica (PLC), Parapsoriasis, Pityriasis rubra pilaris (PRP), Seborrheic dermatitis, Adverse drug reaction, Tinea, Eczema/erythema annulare centrifugum (EAC) and Neoplasm (e.g., MF). 

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persistent red face, differentialDr. McLeapDermatomyositis, rosacea, Mastocytosis, carcinoid, Lupus erythematosis, autoimmune connective tissue disease or polycythemia vera 

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white skin patch, differentialvitiligo PATCHvitiligo, Pityriasis alba/Post-inflammatory hypopigmentation, Age-related hypopigmentation (e.g., idiopathic guttate hypomelanosis), Tinea versicolor/Tuberous sclerosis (ash-leaf macules), Congenital birthmark (e.g., Hypomelanosis of Ito) or Hansen's disease (leprosy). 

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painful cutaneous nodule, differential BENGAL DOCSBlue rubber nevus, Eccrine spiradenoma/erythema nodosum, Neurilemmoma/neuroma, Glomus tumor/granular cell tumor, Angiolipoma/angioleiomyoma/angiosarcoma/arthopod bite, Leiomyoma, Dercum's disease/dermatofibroma, Osler's node/osteoma cutis, Calcinosis cutis/cutaneous endometriosis and Sweet's Syndrome

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small blue cell tumor, differentialLEMONSLymphoma, Ewing’s Sarcoma, Merkel cell carcinoma and Melanoma, Oat cell carcinoma of the lung, Neuroblastoma, Small cell endocrine tumor

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exfoliative dermatitis, differentialRED MAN — Radiation, Eczema/psoriasis, Drugs, Malignancy (MF, lymphoma), Autoimmune (rare DM), No cause found

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exfoliative dermatitis, differentialSCALP ID — Seborrheic dermatitis, Contact dermatitis, Atopic dermatitis, Lymphoma/leukemia, Psoriasis, Idiopathic (possibly most common) and Drug allergy. Note, the layers of scalp can be remembered by the acronym SCALP: Skin, Connective tiss- vue, Aponeurosis (epicranial), Loose areolar connective tissue and Periosteum. 

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black eschar, differential CAGES — Clostridium, Aspergillus (deep fungal e.g., fusarium)/Anthrax, Group B strep, Ecthyma gangrenosum (i.e., pseudomonas) --- or possibly a Spider bite! 

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Behcet’s syndrome, presenting symptomsROSE PathRecurrent genital ulceration, Oral ulceration*, Skin lesions (e.g., erythema nodosum, subcutaneous thrombo- phlebitis, cutaneous hypersensitivity), Eye lesions (e.g., iridocyclitis, chori- oretinitis) and a positive pathergy test (*Oral ulceration is a central criterion for diagnosis) 

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transient acantholytic dermatoses, featuresMAPSMen, Acantholysis, Pruritic, Sun-exposed sites

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drug rash with eosinophilia and systemic symptoms, features DRESS Due to anticonvulsants, sulfonamides or allopurinol. Skin signs usually begin with a Rash beginning on the face with sterile folliculitis. Eosinophilia is almost always present and Systemic manifestations are common, particularly of the liver. In addition, there can also be evidence of Sensitization previously (even with contactants). 

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subepidermal split w neutrophils in dermal papillae, causesPLAIDPemphigoid (bullous), Lupus (i.e., bullous SLE), Acquista (Epidermolysis Bullosa Acquista), IgA linear and Dermatitis herpetiformis 

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spindled cells against epidermis, differential SLAM Spindle cell squamous cell carcinoma (Keratin+), Leiomyosarcoma (SMA+), Atypical fibroxanthoma* (CD68+, Vimentin+, CD99+, Procollagen-1) or Melanoma (S100+) *note; atypical fibroxanthoma is a diagnosis of exclusion. 

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Albright syndrome, symptomsGAME OF — Giant melanosomes, Alopecia, Macules (e.g., café au lait spots), End crine dysfunction, Osteomas and Fibrous dysplasia 

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Waardenburg Syndrome types 1-4, associated genespack your mittens, pack your SOXPAX3 (type I), MITF (type II), PAX3 (type III), SOX10 (type IV). 

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spongiotic dermatitis w epidermal eosinophils, differentialHAPPIED Herpes gestationis, Arthropod/Allergic contact, Pemphigus, Pemphigoid, Incontienta pigmenti, Erythema toxicum, or a Drug reaction 

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spongiotic dermatitis w dermal eosinophils, differentialDID A CAN Dermatophytes, Id reaction, Drug reaction, Arthropod bite, Contact dermatitis, Atopia and Nummular dermatitis on the differential 

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