Sebaceous carcinoma of the eyelid: anatomoclinical data

Vol. 54 No. 3 Suppl., 2013
This supplement was not sponsored by Outside Organizations.

ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY

Claudia Florida Costea, D. Petraru, Gabriela Dumitrescu, Anca Sava

Sebaceous gland carcinoma of the eyelid is a rare slow-growing tumor and is one of the most aggressive malignancies of the eyelid. Diagnosis is often delayed because it can be confused with other periocular lesions. We report the case of a 78-year-old female who presented for the anesthetic aspect of a nodular tumor on the right upper eyelid occurring one year earlier. The patient was treated for three months for recurrent chalazion. Ophthalmologic examination revealed a nodular ulcerated tumor of 1 cm in size adherent to adjacent tissues. Surgical excision was performed with a safety margin of 4 mm. The diagnosis of moderately differentiated sebaceous carcinoma was made by routine morphological methods and immunohistochemical reactions (EMA and Ki-67). Being a rare tumor with considerable morbidity and mortality, early diagnosis and proper treatment are essential for a favorable prognosis and preservation of visual function.

Corresponding author: Claudia Florida Costea, MD, PhD; e-mail: costea10@yahoo.com

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ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY

M. Munteanu, G. Munteanu, Stela Giuri, Ileana Zolog, A. G. M. Motoc

Objective: A presentation of the clinical and pathogenic aspects of choroidal ossification. Cases Presentation: We report three clinical cases of choroidal ossification: choroidal osteoma, ossified choroidal hemangioma and total ossification of the choroid. The three patients underwent complete eye examination. The optical microscopy of a sample of ossified choroidal tissue revealed a spongy, osseous structure consisting of circular osseous lamellae, osteocytes, canaliculi and adipose tissue with microfoci of calcification. Discussion: Choroidal ossification is characterized by reduced frequency of occurrence, accessible clinical diagnosis, and unspecified pathogenesis. Several of the factors identified in the pathogenesis of intraocular ossification may play a role in the ossification of the choroid: chronic inflammatory cells, bone morphogenetic proteins, growth factors and mesenchymal stem cells. In addition to these factors, pericytes have a special role in the pathogenesis of choroidal ossification. Under the influence of bone morphogenetic proteins and growth factors, mesenchymal stem cells differentiate into osteoblasts. They secrete bone matrix (osteoid), whose regeneration and remodeling lead to the formation of bone tissue. The spongy bone structure of choroidal tissue points to a model of endoconjunctive/desmal ossification. Conclusions: The knowledge of the clinical aspect of ossification of the choroids is required for the differential diagnosis with the posterior pole affections, and also for the prevention and treatment of secondary complications.

Corresponding author: Mihnea Munteanu, Associate Professor, MD, PhD; e-mail: mihneam1@gmail.com

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