Answer to Images in Surgery Quiz 1 Vol.32(1)

Dermatoscopy: A multicolored lesion on the forehead—Quiz Answer

Basal cell carcinoma (BCC) is the most frequent type of skin cancer in humans. Non-pigmented BCCs are much more prevalent than pigmented BCCs. Sometimes it could be difficult to distinguish a pigmented BCC from a melanoma [1]. Menzies et al. suggested a dermatoscopic method with a sensitivity of 93% and a specificity of 89% for diagnosing pigmented BCCs (See Table) [2,3]. The correct answer to ...

Ultrasound quiz 1

A. torbiele pozapalne; B. wewnątrzprzewodowy nowotwór brodawkowo-śluzowy; C. żylaki o takim umiejscowieniu; D. malformacja tętniczo -żylna trzustki; E. guz mikrocystyczny trzustki? A 53 -year -old patient came to have a check -up abdominal cavity US examination performed. The patient underwent sigmoidectomy 3 years before because of adenocarcinoma. After 16 months the patient underwent reoperat...

Quiz Case 1

A N ASYMPTOMATIC 9-year-old girl with normal childhood development was referred for DNA sequence analysis of the RET proto-oncogene on chromosome 10. She was the daughter of a woman with multiple endocrine neoplasia syndrome type 2A (MEN-2A). Genetic testing revealed a mutation involving codon 618 of the RET proto-oncogene that changed the wild-type TGC codon to a TCC codon. Her mother and 6-ye...

Answer to Photo Quiz: Chronic diarrhoea and repeated bowel obstruction in an 84-year-old woman.

An 84-year-old woman was admitted for diarrhoea and weight loss occurring over the past six months. She described an attack of abdominal pain and bowel obstruction five months previously. Oral intake was stopped and she was switched to intravenous fluids. A laparotomy failed to define the cause of obstruction at that time. The obstruction disappeared after the operation, but her diarrhoea (up t...

Alan Guth QUIZ 1 Reformatted