Basal cell carcinoma arises in sun-exposed skin ... eyelid in 55% of patients, the medial canthus in 30%, the upper eyelid in 10% and the lateral canthus in 5%. [2] When BCC involves the eyelid ...
In the case of flat brown or black spots that suddenly appear on your orange cat’s nose, lips, and eyelid margins ... there is no redness or other skin changes surrounding the lesions.