MSFinals-0810

A 42-year-old man visits his primary care physician complaining of thick, well-defined, red patches with silvery scales on the extensor surfaces of his elbows and knees. He has been experiencing these skin lesions intermittently for the past 3 years. The lesions tend to improve during the summer months, worsen during times of stress, and reappear at the site of trauma, particularly where he scratches. A skin biopsy specimen reveals epidermal hyperplasia and parakeratosis, with neutrophils present within the epidermis. What is the most probable diagnosis?

MSFinals-0811

A 6 year old boy with worsening dry, itchy skin, mainly affecting the flexor surfaces on his arms, attends a routine GP clinic with his mother. Despite regular liberal use of emollient cream, the symptoms have not improved significantly. What would be the most suitable course of action for managing the child’s eczema?

MSFinals-0812

A toddler is brought to the clinic with severe eczema. What is the appropriate treatment for this condition?

MSFinals-0814

A 45-year-old man visits his GP with a lump on the side of his head. During the examination, the GP suspects that the lump may be a basal cell carcinoma. What characteristic is most indicative of this diagnosis?

MSFinals-0815

You are asked to see a 40-year-old man with difficult-to-treat psoriasis. He has extensive plaque psoriasis and has tried a number of therapies, including retinoids, topical corticosteroids and photochemotherapy (PUVA).
What would be the next best step in management?

MSFinals-0816

A 6-year-old girl visits her GP with her mother, complaining of a sore and itchy patch around her upper lip for the past 3 days. The mother noticed a few small blisters on the lip that burst, leaving brown and/or honey-coloured crusts on the affected area. The patch has been gradually increasing in size. After examination, the GP diagnoses impetigo.
What is the most probable cause of impetigo in this case?

MSFinals-0817

A 60-year-old man presents for a follow-up appointment. He has been experiencing facial flushing and developed a red rash on his face a few months ago. Upon examination, there are numerous erythaematous papules scattered across his cheeks and his nose appears red and bulbous.
What is the probable diagnosis?

MSFinals-0818

A 30-year-old female patient expresses concerns about her hair loss. She has noticed patches of hair loss for the past three months without any associated itching. The patient has a medical history of hypothyroidism and takes 100 micrograms of thyroxine daily. She also takes the combined oral contraceptive and has regular withdrawal bleeds. On physical examination, the patient appears healthy with a BMI of 22 kg/m2 and a blood pressure of 122/72 mmHg. Two distinct patches of hair loss, approximately 2-3 cm in diameter, are visible on the vertex of her head and the left temporo-occipital region. What is the most probable cause of her hair loss?

MSFinals-0819

A 72-year-old retired gardener is referred to the Dermatology Clinic with a 2-month history of an ulcerated lesion on the left ear. He explains that the lesion was initially a small white lump which was present for many months, which then broke down into the ulcer.
On examination, a 0.5 cm ulcerated lesion is noted on the left pinna, with a rolled pearly edge. Closer inspection with a dermatoscope shows some telangiectasia around the edge. The dermatologist suspects that the lesion is a rodent ulcer.
Which one of the following statements is true regarding rodent ulcers?