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Lymphoepithelial Cysts in a Patient with HIV: Is HAART the Answer?
Two asymptomatic lesions that had been present for 1 year on the left upper chest of a 61-year-old man were excised. Pathologic examination revealed the raised, dark brown medial lesion to be an interdermal nevus; the lateral, light tan lesion with papules (arrow) was a papillomatous interdermal nevus with primary macular amyloidosis.
Two asymptomatic lesions that had been present for 1 year on the left upper chest of a 61-year-old man were excised. Pathologic examination revealed the raised, dark brown medial lesion to be an interdermal nevus; the lateral, light tan lesion with papules (arrow) was a papillomatous interdermal nevus with primary macular amyloidosis.
The cause of amyloid production is not known; a variety of mechanisms may be responsible for the characteristic amyloid deposition patterns of the numerous forms of the disease.
When examined under light microscopy, Congo red–stained amyloid fluoresces a characteristic apple green color; amyloid stains pink with hematoxylin and eosin. Immunoglobulins, particularly IgM and C3 complement, are found in cutaneous amyloid.1
REFERENCE:1. Weedon D. Skin Pathology. Edinburgh: Churchill Livingstone; 1997:359-362.
AI-Powered Diabetes Prevention Program Intervention Matches Human Coaching in Landmark Trial
October 27th 2025After 1 year of coaching by the AI app or a DPP-associated coach, reductions in weight and HbA1c and increases in physical activity were equal, an outcome with great promise for scalability.
