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28th February 2025
A 27-year-old man presented to the endocrine clinic with a slow-growing lesion in the neck which has been present for the past 6 months
A 27-year-old man presented to the endocrine clinic with a slow-growing lesion in the neck which has been present for the past 6 months. Over the past year he has also visited the dentist multiple times for a “growth on his jaw”. He had a bowel surgery 2 years ago to remove some polyps in his colon. Family history is uncertain as he was adopted as an infant.
On examination , temperature is 36.9°C, BP 110/70 mmHg and heart rate 101 bpm. A cystic lesion is noticed on his right cheek.
His blood results are given below:
| Hb | 125 g/L | (135 – 180) |
| Platelets | 255 x 10⁹/L | (150 – 400) |
| WBC | 10.1 x 10⁹/L | (4.0 – 11.0) |
| Na+ | 137 mmol/L | (135 – 145) |
| K+ | 4.0 mmol/L | (3.5 – 5.0) |
| Urea | 4.1 mmol/L | (2.0 – 7.0) |
| Creatinine | 90 µmol/L | (55 – 120) |
Which of the following is the most likely diagnosis?
Select the SINGLE most appropriate option from the list below. Select ONE option only.
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