Male 15 years

12 months history of asymptomatic plaque on the right upper back. 4mm punch biopsy.

The best diagnosis is:

A. Haemangioendothelioma

B. Spitz naevus

C. Epithelioid dermatofibroma

D. Angiolymphoid hyperplasia with eosinophilia

Male 12 weeks

Persistent atypical rash on trunk. Not responsive to topical steroids. Punch biopsy taken from back.

The best diagnosis is:

A. Langerhans cell histiocytosis

B. Scabies

C. Eosinophilic pustular folliculitis

D. Erythema toxicum neonatorum

Female 78 years

Incisional biopsy abdomen. 5 day history of 2 plaques over abdomen. Centrally pale, almost about to blister. Well demarcated and slightly petechial at the edges (having Heparin and Cyclizine injections).

The best diagnosis is:

A. Heparin necrosis

B. Disseminated intravascular coagulation

C. Cryoglobulinaemia

D. PAN

Female 46 years

Indurated plaque on the right lateral leg.

The best diagnosis is:

A. Eosinophilic fasciitis.

B. Lupus profundus and tattoo pigment

C. Tattoo reaction with morphea-like areas

D. Necrobiosis lipoidica.

Female 60 years

Left nose irregular pigmented lesion recently changed.

The best diagnosis is:

A. Lentigo maligna

B. Solar lentigo

C. Lentigo maligna melanoma

D. Seborrhoeic keratosis

Female 60 years

Heavy smoker. Growing tumour on right upper arm.

The best diagnosis is:

A. Squamous cell carcinoma.

B. Merkel cell carcinoma

C. Basal cell carcinoma

D. Cutaneous metastasis

Female 64 years

History of CLL and previous non melanoma skin cancer. Now developed proximal spread of satellite / in-transit tumours.

The best diagnosis is:

A. Porocarcinoma

B. Squamous cell carcinoma

C. Metatypical squamous cell carcinoma

D. Keratoacanthoma.

Male 29 years

Several scaly islands on distal limb unresponsive to topical therapy.

The best diagnosis is:

A. Psoriasis

B. Porokeratosis of Mibelli

C. Discoid eczema

D. Bowen's disease

Male 43 years

Rash with blisters and pustules. Biopsy from arm.

The best diagnosis is:

A. Subcorneal pustular dermatosis

B. Dermatitis herpetiformis

C. Linear IgA disease

D. Bullous pemphigoid.

Male 70 years

Scalp biopsy of crusted soft violaceous nodule. Present for 2 months. Developed after trauma.

The best diagnosis is:

A. Kaposi's sarcoma

B. Melanoma

C. Secondary carcinoma

D. Angiosarcoma

Female 74 years

Nodulocystic rash on forearm. Immunosuppressed. On methotrexate. Biopsy forearm.

The best diagnosis is:

A. Fish tank granuloma

B. Fungal infection

C. Rheumatoid nodule

D. Vasculitis

Male 72 years

Patient presents with recent history of colitis, bilateral lower limb weakness, chest infection and rash over back and scalp. Rash of back macular and on scalp raised and indurated. Recent positive serology luetic disease.

The best diagnosis is:

A. Syphilis

B. Anaplastic large cell CD30 lymphoma

C. Primary cutaneous aggressive epidermotrophic CD8 positive cytotoxic T-cell lymphoma

D. Diffuse large B-cell lymphoma

Male 7 weeks

Previous fat necrosis of the back at age of 1-2 weeks. Now new nodular eruption lower limbs.

The best diagnosis is:

A. Sclerema neonatorum

B. Cold panniculitis

C. Subcutaneous fat necrosis of the newborn

D. Membranous fat necrosis

Female 33 years

18/12 morphoea, extra-genital lichen sclerosus on trunk, bilateral carpel tunnel syndrome 2 years. Now diffuse thickening and swelling of calves.

The best diagnosis is:

A. Eosinophilic fasciitis

B. Nodular vasculitis

C. Lupus panniculitis

D. Erythema nodosum

Female 51 years

Growing lump vulva, (L) side mons pubis.

The best diagnosis is:

A. Deep granuloma annulare

B. Epithelioid sarcoma

C. Epithelioid haemangioendothelioma

D. Mycobacterium marinum infection

Female 56 years

Incision biopsy from left posterior shoulder. Polycythaemia rubra vera with myelofibrosis. Commenced on bromide (Proban). Now nodular, pustular eruptions involving face, upper chest, upper back, limbs with personality change and headaches.

The best diagnosis is:

A. Pyoderma gangrenosum

B. Erythema elevatum diutinum

C. Bromoderma

D. Papular urticaria

Male 77 years

Ulcer left side of nose biopsied. Past history of surgery for trigeminal neuralgia.

The best diagnosis is:

A. Ulcer secondary to herpes virus infection

B. Ulcer of pyoderma gangrenosum

C. Ulcerated microvenular haemangioma

D. Ulcer of trigeminal trophic syndrome

Male 43 years

Soft tissue tumour nailbed right thumb.

The best diagnosis is:

A. Acquired digital fibrokeratoma

B. Superficial acral fibromyxoma

C. Superficial angiomyxoma

D. Dermatofibrosarcoma protuberans

Female 21 years

Nodule on forehead.

The best diagnosis is:

A. Mixed tumour of skin

B. Porocarcinoma

C. Nodular hidradenoma

D. Metastatic adenocarcinoma

Female 18 years

Deeply pigmented lesion on trunk.?warty naevus ?seborrhoeic keratosis ?malignant melanoma.

The best diagnosis is:

A. Deep penetrating naevus

B. Naevoid malignant melanoma

C. Pigment synthesising melanoma (pigmented epithelioid melanocytoma)

D. Cellular blue naevus

Male 10 years

Left inferior chest pain and slightly tender papular lesions on central back.

The best diagnosis is:

A. Histoplasma capsulatum

B. Leishmania

C. Penicillium

D. Cryptoccocosis

Male 11 years

7 month history multiple, slow-growing subcutaneous nodules right thumb, palm, wrist and forearm. Biopsy from the wrist.

The best diagnosis is:

A. Arteriovenous haemangioma

B. Cavernous haemangioma

C. Kaposi's sarcoma

D. Spindle cell haemangioma

Female 7 years

Lump, right upper arm. Recent increase in size.

The best diagnosis is:

A. Angiomatoid fibrous histiocytoma

B. Aneurysmal fibrous histiocytoma

C. Spindle cell haemangioma

D. Inflammatory fibroblastic tumour

Male 71 years

Brief clinical history 3 day history of rapidly enlarging erythematous rash both dorsum of hands. Annular appearance.

The best diagnosis is:

A. Pyoderma gangrenosum

B. Infection

C. Neutrophilic dermatosis of the dorsum of the hands

D. Pustular bacterid of Andrews

Male 78 years

Asymptommatic nodulocystic lesion forehead.

The best diagnosis is:

A. Dermal duct tumour

B. Nodular hidradenoma

C. Cutaneous metastasis

D. Mixed tumour of skin

Female 66 years

Smooth papule dorsum of nose.

The best diagnosis is:

A. Desmoplastic Spitz naevus

B. Multinucleate cell angiohistiocytoma

C. Malignant melanoma

D. Fibrous papule

Male 22 years

4 wks history of generalized lichenoid eruption with erosions and blister son arms and legs.

The best diagnosis is:

A. Bullous lichen planus

B. Lichen planus pemphigoides

C. Lichenoid drug eruption

D. Bullous pemphigoid

Male 65 years

Dark nodule thigh.

The best diagnosis is:

A. Atypical fibrous histiocytoma

B. Pleomorphic fibroma

C. Atypical fibroxanthoma

D. Angiomatoid fibrous histiocytoma

Male 70 years

Lesion right chest wall.

The best diagnosis is:

A. Proliferating tricholemmal tumour

B. Squamous cell carcinoma

C. Pilomatrixoma

D. Tricholemmoma

Male 76 years

Rash pre-auricular area.

The best diagnosis is:

A. Hailey-Hailey disease

B. Bullous Pemhigoid

C. Pemphigus Vulgaris

D. Darier's disease

Male 65 years

Raised rash on forehead. Present for 4 years, slowly growing.

The best diagnosis is:

A. Colloid Millium

B. Nodular Amyloidosis

C. Lipoid Proteinosis

D. Porphyria

Female 53 years

Itchy rash, papules and patches. Biopsy from a patch of erythema.

The best diagnosis is:

A. Bullous Pemphigoid

B. Pemhigoid Nodularis

C. Epidermolysis Bullosa Acquisita

D. Nodular Prurigo

Male 78 years

3 year history of papular rash on his chest. PMH: thrombocytopenia (myelodysplastic syndrome) and diabetes mellitus (oral therapy).

The best diagnosis is:

A. Monocytic cutaneous infiltrate associated with myelodysplasia.

B. Interstitial granulomatous dermatitis

C. Histiocytic Sweet

D. Granulomatous CTCL

Female 73 years

Lump on the left arm

The best diagnosis is:

A. Adenoid basal cell carcinoma

B. Metastatic breast carcinoma

C. Primary mucinous carcinoma of the skin

D. Solid variant of adenoid cystic carcinoma

Female 22 years

Tag on labia majora. Suspicious of MM.

The best diagnosis is:

A. Spitzoid melanoma

B. BAPoma

C. Combined melanocytic neavus<

D. Intradermal Spitz naevus

Female 77 years

Tumour on left forehead.

The best diagnosis is.

A. Squamoid eccrine ductal carcinoma

B. Squamous cell carcinoma

C. Microcystic adnexal carcinoma

D. Basal cell carcinoma

Female 67 years

2 cm. nodule on the upper arm, infection favoured.

The best diagnosis is:

A. Cutaneous lymphoid hyperplasia

B. Inflammatory myofibroblastic tumour

C. Rosai-Dorfman disease

D. Marginal zone lymphoma

Male 73 years

Pedunculated mass, right inner thigh, noted 6 months previously, growth to 10 X 5 X 5 cm, round and purplish.

The best diagnosis is:

A. Giant vascular spiradenoma

B. Retiform hemangioendothelioma

C. Metastatic thymoma

D. Apoplectic nodular hidradenoma

Female 65 years

Submitted as patch on forearm, longstanding lesion.

The best diagnosis is:

A. Ancient schwannoma

B. Solid-cystic hidradenoma

C. Ancient blue naevus

D. Clear cell sarcoma

Male 28 years

African-American man with a one and a half year history of asymptomatic follicular and non-follicular hyperpigmented papules and nodules with central hyperkeratotic plugs, some of which were in linear array. He also had some smaller lesions compatible with keratosis pilaris. Biopsy site not known.

The best diagnosis is:

A. Hypertrophic lichen planus

B. Lupus erythematosus

C. Syphilis

D. Keratosis lichenoides chronica