BMC veterinary research · 2026
First report of an iridophoroma in a Tegu (Salvator merianae).
СтатьяКлинический случайНазвание и аннотация: Перевод в очереди
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Catoi Sorana, Pop Romelia, Bel Lucia-Victoria, Melega Iulia, Tabaran Alexandru-Flaviu
Аннотация
BACKGROUND: This case report describes the clinical and histological findings of a rare periocular iridophoroma in a tegu.
CASE PRESENTATION: Iridophoroma is a rare type of chromatophoroma, a tumor that arises from iridophores, specialized pigment cells responsible for reflecting light. This case report describes a 6-year-old male Argentine black and white tegu (Salvator merianae) presented with a large, irregular, proliferative mass in the periocular region. The mass originated from the upper left eyelid, partially covering the ocular surface, and measured 2.5 cm in diameter. The patient was referred to the department of Surgery and Intensive care for mass removal and underwent two separate surgical resections. Fine needle aspiration from the structure revealed the diagnosis of iridophoroma, which was later confirmed through histology. This case aims to broaden current knowledge in reptile medicine by presenting an iridophoroma in Salvator merianae, highlighting its clinical presentation, cytological features, and histopathological aspects.
CONCLUSIONS: This case represents the first documented occurrence of an iridophoroma in a tegu, highlighting the need for increased awareness and precision in diagnosing tumors in reptiles. The findings demonsrate the importance of paraclinical investigations, such as histopathology, not only in confirming rare conditions but also in differentiating iridophoromas from other potential diagnoses, such as squamous cell carcinoma, papilloma, or melanophoroma. Accurate identification is crucial for guiding appropriate treatment and improving outcomes in reptile medicine.
CASE PRESENTATION: Iridophoroma is a rare type of chromatophoroma, a tumor that arises from iridophores, specialized pigment cells responsible for reflecting light. This case report describes a 6-year-old male Argentine black and white tegu (Salvator merianae) presented with a large, irregular, proliferative mass in the periocular region. The mass originated from the upper left eyelid, partially covering the ocular surface, and measured 2.5 cm in diameter. The patient was referred to the department of Surgery and Intensive care for mass removal and underwent two separate surgical resections. Fine needle aspiration from the structure revealed the diagnosis of iridophoroma, which was later confirmed through histology. This case aims to broaden current knowledge in reptile medicine by presenting an iridophoroma in Salvator merianae, highlighting its clinical presentation, cytological features, and histopathological aspects.
CONCLUSIONS: This case represents the first documented occurrence of an iridophoroma in a tegu, highlighting the need for increased awareness and precision in diagnosing tumors in reptiles. The findings demonsrate the importance of paraclinical investigations, such as histopathology, not only in confirming rare conditions but also in differentiating iridophoromas from other potential diagnoses, such as squamous cell carcinoma, papilloma, or melanophoroma. Accurate identification is crucial for guiding appropriate treatment and improving outcomes in reptile medicine.