The correct answer is A. She should avoid bananas.

This patient had an allergic contact dermatitis to latex products used during the procedure. Latex cross-reacts with bananas, avocados, kiwis and chestnuts. The linear and geometric distribution is a clue to the diagnosis.

In a subgroup of latex-sensitive patients, hypersensitivity reactions to bananas, avocados, chestnuts, kiwis and other fruits may also occur. Radioallergosorbent inhibition studies have shown that they contain a similar antigen. In some individuals, the primary sensitization is to the fruit, with latex sensitivity developing as a secondary phenomenon.

References:

Chapter 16:Occupational Dermatoses. S. Mark Wilkinson. Dermatology, 4th edition. Pg. 274. https://expertconsult.inkling.com/read/bolognia-dermatology-2vol-4e/chapter-16/the-occupational-dermatoses

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