Figure 1. A. Blue-gray macule on the palate between #5/6 and B. Histological image showing deposition of black granular foreign material in the connective tissue.
Case presentation: A 39-year-old female presented with an asymptomatic blue-gray macule on the palatal aspect of papilla between #5/6 (Figure 1A). Medical history: HIV positive for eight years Hypertension Elevated cholesterol levels Osteopenia No history of adverse drug effects, and denied use of tobacco or recreational drugs Current medications include atazanavir/ritonavir + tenofovir/emtricitabine, lisinopril, pravastatin, calcium 600mg/vitamin D Histological findings: The gingival biopsy showed submucosal deposition of black granular foreign particulate deposited along collagen/elastin fibers and within the vascular walls (Figure 1B). A mild chronic inflammatory infiltrate containing focal foreign body-type giant cells was…