Female 30 years

Maculopapular eruption.

The best diagnosis is:

A. Acute graft versus host disease

B. Incontinentia pigmenti

C. Adult onset Still's disease

D. HIV-associated epidermodysplasia verruciformis

Female 46 years

Nodule on central chest.

The best diagnosis is:

A. Epithelioid haemangioma

B. Marginal zone lymphoma

C. Inflamed pyogenic granuloma

D. T-cell rich angiomatoid polypoid pseudolymphoma

Female 24 years

Papule on the arm.

The best diagnosis is:

A. Syncythial myoepithelioma

B. Spitz nevus

C. Cellular neurothekeoma

D. Epithelioid histiocytoma

Female 43 years

Scalp alopecia.

The best diagnosis is:

A. Juvenile hyaline fibromatosis

B. Morphea

C. Folliculitis decalvans

D. Traction alopecia

Female 26 years

3 year history of red-brown macules chest and legs with telangiectasia, biopsy from right thigh.

The best diagnosis is:

A. Post-inflammatory pigmentation

B. Urticaria pigmentosa

C. Telangiectasia macularis eruptiva perstans

D. Leukaemia cutis

Female 89 years

3 month history of worsening nodules on legs. On treatment for temporal arteritis and has clinical evidence of tine a pedis, biopsy from nodule left calf.

The best diagnosis is:

A. Atypical mycobacterial infection

B. Deep fungal infection

C. Large vessel vasculitis

D. Subcutaneous sweet's syndrome

Male 60 years

Painful thickened ear.

The best diagnoses is:

A. Chondrodermatitis nodularis helicis

B. Cellulitis of ear

C. Traumatic degeneration

D. Relapsing polychondritis

Male 36 years

Blue nodule left temple ?blue naevus ?adnexal tumour.

The best diagnosis is:

A. Vellus hair cyst

B. Trichoadenoma

C. Pigmented follicular cyst

D. Trichofolliculoma

Female 68 years

Slow growing firm mass in columella - incisional biopsy.

The best diagnosis is:

A. Morphoeic BCC

B. Desmoplastic trichoepithelioma

C. Syringoid eccrine carcinoma

D. Microcystic adnexal carcinoma

Female 80 years

Gradually enlarging lump under skin on right maxilla for 2 years. Operatively ?ruptured epidermoid cyst.

The best diagnosis is:

A. Foreign body reaction

B. Ruptured epidermal inclusion cyst

C. Necrobiosis lipoidica

D. Necrobiotic xanthogranuloma

Female 66 years

Irregular thickening over clitoris? malignancy.

The best diagnosis is:

A. Verruciform xanthoma

B. Lichen simplex chronicus

C. Genital wart / condyloma

D. Squamous papilloma

Female 46 years

Papular red / brown bumps around lips, cheeks and axilla. Axillary punch biopsy.

The best diagnosis is:

A. Sarcoid

B. Cutaneous tuberculosis

C. Acne agminata

D. Atypical mycobacterial infection

Male 74 years

1 year history of annular rash now frank haemorrhagic blisters ?bullous SLE - ANA and ds DNA+. Glomerulonephritis. Biopsy from the thigh.

The best diagnosis is:

A. Bullous systemic lupus erythematosus

B. T cell lymphoma

C. Severe photo aggravated eczema

D. Pseudolymphomatous drug reaction

Male 14 years

2/52 history of blistering and general malaise suspicious of chicken pox. biopsy right arm.

The best diagnosis is:

A. PLEVA (ulcero-necrotic)

B. Eczema herpeticum

C. Erythema multiforme

D. Dermatitis artefacta

Female 11 years

Excision - Glabella. Nodule in centre of glabella 4-6mm. ?Dermoid, neurofibroma, seb cyst or other.

The best diagnosis is:

A. Intradermal Spitz naevus

B. Atypical cellular neurothekeoma

C. STUMP

D. Spitzoid melanoma

Female 63 years

Mass on the face. Cyst?

The best diagnosis is:

A. Rheumatoid nodule

B. Aluminium granuloma

C. Lupus vulgaris

D. Granulomatous reaction to cosmetic filler

Male 48 years

Curetting right thigh. ?seborrhoeic keratosis.

The best diagnosis is:

A. Congenital compound melanocytic naevus

B. Naevoid malignant melanoma

C. Compound Spitz naevus

D. Deep penetrating naevus

Male 75 years

Excision of mass on scalp. Clinically SCC.

The best diagnosis is:

A. Pilomatrical carcinoma

B. Adnexal carcinoma NOS

C. Metastatic squamous cell carcinoma

D. Primary squamous cell carcinoma

Female 56 years

Many years lesion right scalp with darker area within it ? traumatised cyst ?malignant change.

The best diagnosis is:

A. Cellular blue naevus

B. Metastatic malignant melanoma

C. Malignant cellular blue naevus

D. Deep penetrating naevus

Female 56 years

Red patch right arm ?lichenoid keratosis ??superficial BCC.

The best diagnosis is:

A. Angiosarcoma

B. Epithelioid haemangioma (angiolymphoid hyperplasia with eosinophilia)

C. Microvenular haemangioma

D. Acquired elastotic haemangioma

Female 10 years

Hard keloid-like midline periumbilical nodule.

The best diagnosis is:

A. Dermatofibroma

B. Granular cell tumour

C. Schwannoma

D. Dermatofibrosarcoma protuberans

Female 32 years

18wks pregnant lady with widespread pruritic nodules.

The best diagnosis is:

A. Papular and urticated pruritic plaques of pregnancy (PUPPP)

B. Folliculitis

C. Pregnancy induced atopic eczema

D. Reactive perforating collagenosis

Female 95 years

Asian with growing asymptomatic mass right temporal scalp. Previous TB therapy.

The best diagnosis is:

A. Undifferentiated pleomorphic sarcoma

B. Metastasis

C. Melanoma

D. Anaplastic meningioma of the scalp

Male 68 years

Caucasian with fungating groin warts for 2 years.

The best diagnosis is:

A. Human papilloma virus (HPV) infection

B. Bowenoid papulosis

C. Epidermodysplasia verruciformis

D. Verrucous carcinoma

Male 76 years

Left lower lid cystic lesion. Immunohistochemistry shows diffuse synaptophysin positivity in tumour cells.

The best diagnosis is:

A. Metastatic mucinous carcinoma

B. Primary cutaneous mucinous carcinoma

C. Endocrine mucin producing sweat gland carcinoma

D. Nodular hidradenoma with coexistent mucinous carcinoma

Male 34 years

Incisional biopsy right arm. Widespread discrete plaques, some indurated. PMH: Recurrent chest infections and bronchiectasis, hepatosplenomegaly (splenectomy done 1yr previously) and lymphadenopathy.

The best diagnosis is:

A. Atypical mycobacterial infection

B. Sarcoidosis

C. Granulomatous dermatitis associated with immunodeficiency

D.Leishmaniasis

Female 90 years

Excision biopsy forearm.

The best diagnosis is:

A. Poroma with sebaceous differentiation

B. Bowen's with sebaceous differentiation

C. Sebaceous carcinoma

D. Reticulated acanthoma with sebaceous differentiation

Male 48 years

Scaly well defined symmetrical erythematous plaque in buttocks and natal cleft, with satellite lesions.

The best diagnosis is:

A. Flexural psoriasis

B. Chronic candidiasis

C. Inflammatory linear verrucous epidermal naevus

D. Porokeratosis ptychotropica

Female 53 years

Painful nodule left forearm. Exclude appendageal tumour.

The best diagnosis is:

A. Intradermal melanocytic naevus

B. Intradermal melanocytic naevus and scar

C. Scar and reactive changes

D. Desmoplastic melanoma

Female 54 years

Skin biopsy left groin.

The best diagnosis is:

A. Elastofibroma

B. Pseudoxanthoma elasticum

C. Anetoderma

D. Perforating disorder

Male 57 years

Skin of left side of nose.

The best diagnosis is:

A. Nodular basal cell carcinoma

B. Trichoblastoma

C. Trichoblastic carcinoma

D. Desmoplastic trichoepithelioma

Male 48 years

Soft tissue tumour right upper arm.

The best diagnosis is:

A. Reactive lymphoid hyperplasia

B. Cutaneous Hodgkin's disease

C. B-cell lymphoma

D. Metastatic lymphoma

Female 24 years

Right upper arm papule? keratosis pilaris?folliculitis.

The best diagnosis is:

A. Pilar leiomyoma

B. Atypical dermal smooth muscle tumour

C. Dermatomyofibroma

D. Hereditary leiomyomatosis and renal cell cancer syndrome

Male 24 years

3 years of hyperpigmented and hypopigmented patches right arm, back. Roundish from a few centimetres in size. Depressed centres with cliff-drop margins.

The best diagnosis is:

A. Malignant atrophic papulosis (Degos' disease)

B. Anetoderma

C. Atrophoderma of Pasini and Pierini

D. Guttate morphoea

Female 66 years

4 day history of tender nodules on lower legs, indurated and erythematous. ?thrombosis.

The best diagnosis is:

A. Traumatic fat necrosis

B. Calciphylaxis

C. Lupus panniculitis

D. Pancreatic panniculitis

Male 43 years

History of multiple keratotic lesions. Painful lesion chin.

The best diagnosis is:

A. Squamous cell carcinoma

B. Keratoacanthoma in Ferguson-Smith syndrome

C. Trichilemmal carcinoma

D. Squamoid eccrine ductal carcinoma

Male 66 years

8yr H/O slow growing pearly nodule temple.

The best diagnosis is:

A. Cutaneous pseudolymphoma

B. Rosai-Dorfman disease

C. Granuloma faciale

D. Cutaneous Hodgkin's lymphoma

Male 65 years

3yr H/O multiple violaceous, slightly verrucous lesions dorsum of both hands ?EED.

The best diagnosis is:

A. Multinucleate cell angiohistiocytoma

B. Angiofibroma

C. Atrophic dermatofibroma

D. Pleomorphic fibroma

Male 55 years

15yr H/O eczematous eruption neck, axillae and groins.

The best diagnosis is:

A. Hailey-Hailey disease with pseudoherpetic features

B. Herpesvirus infection

C. Hailey-Hailey disease with coexistent herpes virus infection

D. Galli-Galli disease.

Female 33 years

2wk H/O multiple necrotic ulcers at injection sites on lower abdomen and thighs. Known to self administer antiemetics subcutaneously. Complex medical history with unexplained chronic abdominal pain >10 yr duration requiring regular high dose oral and transdermal steroids. ?Vasculitic ulcers.

The best diagnosis is:

A. Iatrogenic cutaneous necrosis

B. Cryoglobulinemia

C. Drug reaction

D. Dermatitis artefacta