By James Salwitz, MD
A frightened Diane called me today. She was in big trouble. Her primary doctor’s office had called with terrible news. The MRI showed Diane had a lesion. Desperate, she reached out to an Oncologist for help.
A lesion? Yes, a lesion. What could that mean? What did she need to do? What was going to happen? With trepidation Diane asked, “Do I have cancer?”
Medicine prides itself on accurate, specific, scientific analysis. We have delineated more than 50 sub-types of lymphoma. We measure toxin in parts per million. We use complex Latin based terms like hemoglobinopathies to describe red blood problems, or ER positive Her-2 negative lobular carcinoma in situ with microinvasion to define a tiny breast cancer. We adjust drug flow in micrograms per kilogram per minute. Thus, you know we have a very specific delineation for “a lesion.”
Nahhhhhhh…. there is no absolute definition for “a lesion.” In fact, if there ever was a useless, confusing and therefore frightening term, it is “lesion.” Perhaps Aristotle said it best, when he explained, “ To say of what is that it is not, or of what is not that it is, is false, while to say of what is that it is, and of what is not that it is not, is true.” Certainly clears things up for me.
The MedicineNet dictionary defines “lesion” as “almost any abnormality involving any tissue or organ due to any disease or any injury.” The emphasis being on “any.” Farlex notes that a lesion might include any “pathology, tubercle, ulcer, wound, harm, hurt, injury, trauma, stigmata, abrasion, excoriation, scratch, scrape, gash, slash, slice, cut, laceration, or (and this is my favorite), bite. “ I suspect that my Aunt Hilda qualifies as a lesion.
The point is this. The term “lesion” fills in the blank in any medical sentence for “not normal.” However, most of us when we hear the term lesion, we think cancer. This is not what lesion means. We use this vague term when we are too apathetic to be precise.
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