case_images: PMC10776130_01
case_images: Clinical and histopathological findings. a Gross findings. A pinkish macule is observed. The black dotted rectangle indicates the area of (b). b Dermoscopic findings. The red dotted rectangle indicates a red dot with a pale pink halo. The blue arrows indicate telangiectasia throughout the lesion. c Enlarged dermoscopic image. The black arrow indicates a red dot that histologically corresponds with a fistula. d-f Histopathological findings. d, e Serous salivary glandular structures within the subcutaneous fat tissue. The yellow rectangle of (d) indicates the area of (e). f A serous salivary gland (black dotted oval) with a duct (yellow arrowheads) from the dermis to the epidermis. There is a depression in the superficial layer that appears to be an orifice (black arrow). Also, there is periductal lymphocytic infiltration in the dermis (blue arrowheads).
case_images: cde-2024-0016-0001-535740_F01.jpg
case_images: PMC10776130_01_cde-2024-0016-0001-535740_F01.jpg
case_images: F1
case_images: At the initial examination, a pale red spot of 10 mm in diameter was observed (Fig. 1a). Dermoscopic examination showed a red dot with a pale pink halo and telangiectasia throughout the lesion (Fig. 1b, c). An excisional biopsy specimen showed mucous and serous salivary glandular structures within subcutaneous fat tissue, with a duct extending from the salivary glandular structures to the epidermis (Fig. 1d-f).