Abstract
The aim is to report a case of conjunctival tattooing with inadvertent injection of tattoo ink into the vitreous cavity and its consequences, the scanning electron microscopy X-ray microanalysis of the ink components, and the microscopic findings of the affected conjunctiva and vitreous. Descriptive case report. A 32-year-old man complained of ocular pain and blurred vision after undergoing a subconjuctival red ink tattoo in his left eye. Ophthalmologic examination revealed best corrected visual acuity of 20/80 and intraocular pressure of 26 mmHg. Pain was elicited with eye movements. The bulbar conjunctiva was colored intense red. In the anterior chamber, pigment granules and filaments were suspended on the aqueous humor, and lens capsule was also stained red. Ultrasonography showed high-density non-mobile echoes in the conjunctiva; anterior chamber and vitreous cavity revealed high-density mobile echoes corresponding to pigment particles. Conjunctival tattoo with inadvertent globe penetration was the clinical diagnosis. The patient received medical and surgical treatment. Histopathological examination of the conjunctiva showed red pigment globular deposits within the stroma, and neutrophils and sparse histiocytes with similar intracytoplasmic pigment granules were seen. No granulomatous foreign body reaction was noticed. Vitreous material contained pigment granules; no inflammatory cells were observed. Scanning electron microscopy X-ray microanalysis of the tattoo red ink revealed significant signals of iron, barium, and copper. Conjunctival tattoo is a new form of body decoration gaining worldwide popularity. This procedure is performed by untrained professionals causing severe ocular complications including blindness. Safety regarding tattoo ink needs further study as the composition varies among colors. Strict regulations on this matter should be considered.
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