An 80-year-old man visits his GP complaining of a painful lesion on his ear that has been bothering him for a year. The lesion has remained the same for several months but is causing him significant discomfort when he lies down. He reports no other symptoms.
Upon examination, the doctor observes a well-defined, 10mm, flesh-colored nodule on the superior helix of the ear. The nodule is firm, very tender to touch, and covered with some scales.
What is the most probable diagnosis?
A 28-year-old woman with a history of thyroid disorder presents to the clinic with concerns about darkened skin on her neck.
Which of the following is the most probable cause?
A 50-year-old man is brought to the Emergency Department by his wife after developing a severe cutaneous hypersensitivity reaction. He has a history of rheumatoid arthritis for which he was taking non-steroidal anti-inflammatory drugs (NSAIDs). Still, his symptoms did not improve, and his rheumatologist prescribed him methotrexate a few days ago.
On examination, Nikolsky’s sign is present and affects 45% of his body’s surface area.
What is the underlying condition?
A 60-year-old smoker presents with non-healing sores on his lower lip that have been gradually enlarging for several months. Upon examination, a lesion is found at the vermilion border of the lower lip. What is the most probable type of lesion?
A 70-year-old man presents to his GP with a nodular change on his back. He complains that it has become itchy and bleeding over the past two months. On examination, it appears black and blue in colour with a slightly irregular border.
Which of the following is the most likely cause?
A 25-year-old Asian woman presents with completely depigmented patches of skin on her arms and legs.
What is the most likely diagnosis?
A 65-year-old female is referred for management of a chronic ulcer above the left medial malleolus. The ankle-brachial pressure index readings are as follows:
Right 0.95
Left 0.95
The ulcer has been treated with standard dressings by the District Nurse. What is the best course of action to increase the chances of healing the ulcer?
A 33-year-old man is brought to the regional burns unit with mixed thickness burns affecting 45% of his body surface area. On the fourth day of his admission, he experiences severe epigastric pain accompanied by haematemesis, melaena, and haemodynamic instability. What is the probable cause of these new symptoms?
An itchy rash over the extensor surfaces in a patient with gluten intolerance:
A 35-year-old woman with a history of eczema and Crohn’s disease presents with a pruritic, red rash in the right and left popliteal regions. She works as a nurse and frequently scratches the back of her knees while on duty. This is the third time she has experienced such a popliteal rash. She reports having had similar skin conditions affecting her posterior neck and inguinal areas in the past.
Upon examination, both popliteal areas are inflamed with mild swelling and exudation. There are some accompanying vesicles and papules.
What is the most probable diagnosis?