Red Rashes Features

Question 1

HAM-PINK to red, inflamed, WELL-DEMARCATED geographic plaques, with THICK WHITE SCALE, and generalized over EXTENSOR SURFACES.

Answer 1

Psoriasis

Question 2

pink to SALMON OVAL shaped patches thin TRAILING CENTRAL SCALE sparsely scattered over the central trunk CHEST and ABDOMEN

Answer 2

Pityriasis Rosea

Question 2

Red to pink “target-like” or “TARGETOID” macules on the PALMS and SOLES non-descript pink macular and MORBILIFORM ON TRUNK MUCOSAL EROSIONS (oral, ocular, nasal and genital) with the major variant

Answer 2

Erythema Multiforme

Question 3

Asymptomatic ANNULAR PATCHES, CENTRAL CLEARING, WITHOUT SCALE DORSAL HANDS and FEET

Answer 3

Granuloma Annulare

Question 3

Pink to orange to hyperpigmented or hypo pigmented oval and annular patches on the central chest and back, with THIN SUPERFICIAL SCALE KOH positive scale

Answer 3

Tinea Versicolor

Question 3

Pink pruritic papules, some scale and some small linear vesicles and burrows, often in the skin folds especially the finger web spaces Never in mouth

Answer 3

Scabies

Question 3

Mycosis Fungoides CTCL

Answer 3

Red to violaceous patches linear to oval and annular, with mild elevation and scale many variations MALIGNANCY

Question 4

Subacute lupus

Answer 4

ANNULAR and ARCUATE patches, may coalesce, upper chest and back

Question 6

Drug Rashes

Answer 6

Urticarial → small to large wheals which migrate form arcuate shapes and coalesce Morbilliform → measle-like (morbilliform) distribution of pink to red round patches Blistering and Necrolysis → ominous → initial erythroderma, bullae formation and sloughing of dead or necrotic skin, indicates “toxic epidermal necrolysis” or TEN which has a high mortality rate.

Question 7

Tinea aka Dermatophytosis

Answer 7

* PINK ANNULAR patches with an inflamed border and CENTRAL CLEARING with LEADING SCALE

Question 9

Red to violaceous patches linear to oval and annular, with mild elevation and scale many variations MALIGNANCY

Answer 9

Mycosis Fungoides CTCL

Question 9

Granuloma Annulare

Answer 9

Asymptomatic ANNULAR PATCHES, CENTRAL CLEARING, WITHOUT SCALE DORSAL HANDS and FEET

Question 10

Tinea Versicolor

Answer 10

Pink to orange to hyperpigmented or hypo pigmented oval and annular patches on the central chest and back, with THIN SUPERFICIAL SCALE KOH positive scale

Question 11

Chronic Lupus

Answer 11

Usually annular, elevated plaques, may depigment and scar

Question 12

Lichen Planus

Answer 12

VIOLACEOUS papules with LACY WHITE LINES and mild scale DORSAL HANDS and FEET WRISTS and ANKLES (dorsal and ventral)

Question 14

* PINK ANNULAR patches with an inflamed border and CENTRAL CLEARING with LEADING SCALE

Answer 14

Tinea aka Dermatophytosis

Question 15

Fever, cough Multiple Ellipitcal red macules with gray oval vesicle on skin painful ulcers on red base in mouth 2-3 mm hands, feet may have involvement

Answer 15

Hand Foot Mouth Dz

Question 15

Psoriasis

Answer 15

HAM-PINK to red, inflamed, WELL-DEMARCATED geographic plaques, with THICK WHITE SCALE, and generalized over EXTENSOR SURFACES.

Question 16

Erythema Multiforme

Answer 16

Red to pink “target-like” or “TARGETOID” macules on the PALMS and SOLES non-descript pink macular and MORBILIFORM ON TRUNK MUCOSAL EROSIONS (oral, ocular, nasal and genital) with the major variant

Question 17

Primary chancre less painful than herpes simplex may have “kissing” ulcerative lesions in the genital mucosa Secondary syphilis shows generalized round pink scaly asymptomatic patches, which are non-descript (not unique) PALMS and SOLES

Answer 17

Syphilis

Question 18

Urticarial → small to large wheals which migrate form arcuate shapes and coalesce Morbilliform → measle-like (morbilliform) distribution of pink to red round patches Blistering and Necrolysis → ominous → initial erythroderma, bullae formation and sloughing of dead or necrotic skin, indicates “toxic epidermal necrolysis” or TEN which has a high mortality rate.

Answer 18

Drug Rashes

Question 20

Usually annular, elevated plaques, may depigment and scar

Answer 20

Chronic Lupus

Question 21

Acute Cutaneous Lupus

Answer 21

Inflamed tender red skin, malar area of face and sun-exposed skin

Question 22

Eczema

Answer 22

Pink, pruritic, scaly patches and thin plaques POORLY DEMARCATED DIFFUSELY SPREAD characteristically on the FLEXOR surfaces

Question 23

Bright red, blanchable, expanding macule to patch, with some central clearing and central blue hue, warm to touch, but usually asymptomatic

Answer 23

Erythema Chronica Migrans Lyme

Question 24

Scabies

Answer 24

Pink pruritic papules, some scale and some small linear vesicles and burrows, often in the skin folds especially the finger web spaces Never in mouth

Question 25

Inflamed tender red skin, malar area of face and sun-exposed skin

Answer 25

Acute Cutaneous Lupus

Question 27

VIOLACEOUS papules with LACY WHITE LINES and mild scale DORSAL HANDS and FEET WRISTS and ANKLES (dorsal and ventral)

Answer 27

Lichen Planus

Question 29

ANNULAR and ARCUATE patches, may coalesce, upper chest and back

Answer 29

Subacute lupus

Question 30

Hand Foot Mouth Dz

Answer 30

Fever, cough Multiple Ellipitcal red macules with gray oval vesicle on skin painful ulcers on red base in mouth 2-3 mm hands, feet may have involvement

Question 31

Syphilis

Answer 31

Primary chancre less painful than herpes simplex may have “kissing” ulcerative lesions in the genital mucosa Secondary syphilis shows generalized round pink scaly asymptomatic patches, which are non-descript (not unique) PALMS and SOLES

Question 32

Erythema Chronica Migrans Lyme

Answer 32

Bright red, blanchable, expanding macule to patch, with some central clearing and central blue hue, warm to touch, but usually asymptomatic

Question 33

Pityriasis Rosea

Answer 33

pink to SALMON OVAL shaped patches thin TRAILING CENTRAL SCALE sparsely scattered over the central trunk CHEST and ABDOMEN

Question 34

Pink, pruritic, scaly patches and thin plaques POORLY DEMARCATED DIFFUSELY SPREAD characteristically on the FLEXOR surfaces

Answer 34

Eczema