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Dermatology Quiz

A girl with itchy plaques on the arms and legs

Date Posted: 09/03/2018

A 3-year-old girl presents with crops of pruritic erythematous raised plaques and excoriated vesicles on her arms and legs.

What is the diagnosis?

An erythematous pustular rash on the torso and limbs

Date Posted: 02/02/2018
Figure 1a. Case patient. The erythematous pustular rash on the first day of hospital admission.

A febrile 29-year-old woman presents with an erythematous rash that is confluent across her torso and limbs.

What is the diagnosis?

Peeling of the palmar surface of the fingers

Date Posted: 21/12/2017
Figure 1. The case patient’s peeling fingers at presentation.

A 4-year-old boy presents with skin peeling that is affecting several fingers.

What is the correct diagnosis?

A child with a reticulated erythematous rash

Date Posted: 23/11/2017
Figure 1.
Figure 1. The reticulated rash, which was present on both of the child’s legs at presentation.

A 10-year-old girl presents with an asymptomatic rash on her legs.

What is the correct diagnosis?

Pruritic bullae on a girl’s arms and legs

Date Posted: 27/10/2017
Figure 1. Bullae and post-inflammatory hyperpigmentation on the patient’s leg.

A 9-year-old girl presents with pruritic bullae on her arms and legs.

What is the correct diagnosis?

A pruritic rash on the lower legs and arms

Date Posted: 29/09/2017
Figure 1a. Nodules on the patient’s lower legs.

A 10-year-old girl presents with an intensely pruritic rash on her lower legs and arms.

What is the correct diagnosis?

Bleeding varicose veins and a pustular rash

Date Posted: 25/08/2017
Tinea corporis
Figure 1. The patient’s legs at presentation, with bleeding superficial varicose veins.

A 54-year-old man with superficial varicose veins presents with a pustular eruption on his lower legs.

What is the diagnosis?

Chronic inflammatory nodules in the groin area

Date Posted: 28/07/2017
hidradenitis suppurativa
Figure 1. Large painful erosions on the right side of the upper thigh and mons pubis with associated contact dermatitis secondary to use of dressings. Painful inflammatory nodules are also palpable throughout the groin.

A 36-year-old woman presents with chronic inflammatory nodules in the groin area.

What is the diagnosis?

A teenager with an ear rash and facial weakness

Date Posted: 28/04/2017
Figure 1. Vesicular rash on erythematous base (predominately antihelix) and associated crusting in the conchal bowl of the patient’s right ear.

A 16-year-old girl presents with a new ear rash and increasing pain.

What is the correct diagnosis?

A young boy with persistent itch and no apparent rash

Date Posted: 24/03/2017
Figure. Wheal response after applying light pressure to the skin in a cross-hatch pattern.

A 5-year-old boy presents with persistent itch and no apparent rash.

What is the correct diagnosis?

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