A dark mole with a woolly border The woolly border seen on dermoscopy of blue naevi is due to the current presence of deeply pigmented spindle melanocytes blending with the surrounding skin within the dermis online drugstore . Case presentation An 18-year-aged man noticed a dark mole on his upper back , half a year to consultation prior. He sensed that the intensely pigmented mole had grown slowly in the interval. Excision biopsy uncovered a dermal infiltrate of pigmented spindle-designed melanocytes deeply, which extended in to the surrounding dermis but lacked nuclear atypia or mitoses .
She was a renal transplant recipient and had a history of treatment for multiple nonmelanoma skin cancers impacting both legs. On exam, a well demarcated but irregularly-shaped scaly crimson plaque was observed on the anterior facet of the proper shin . Areas of superficial ulceration were present. Dermoscopy revealed subtle hyperkeratosis, multiple glomerular vessels and multifocal hypopigmentation . The absence of a discernible pigment network was significant.. With sufficient training and expertise, clinicians may use dermoscopy to boost diagnostic precision for melanocytic lesions and various other common skin tumours.