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अमूर्त

Solitary Fibrous Tumour of the Lacrimal Gland with Apparent hemangiopericytoma – Like Characteristics: A Case Study

Daniel Kovar, Jan Lestak, Zdenek Voldrich, Pavel Voska, Petr Hrabal, Tomas Belsan and Pavel Rozsival

Hemangiopericytoma (HPC) is a rare tumor originating from the mesenchyme. We will describe the clinical presentations, radiological and operative findings, and pathological features of a patient with lacrimal gland HPC. The patient was a 26-year-old female who presented with swelling of the left upper eye lid progressing over the past 12 months. On ophthalmological examination, no visual impairment was detected, but induration of the left eye was found in the area of the lacrimal gland. Orbital magnetic resonance imaging showed tumorous mass, of size 20 × 8 × 22 mm affecting the lacrimal gland. The patient underwent an anterior orbitotomy, which removed the palpebral portion of the lacrimal gland. Histology did not clarify the diagnosis. Three months after surgery, the tumor size had increased. MRI showed progression of the findings. It was therefore decided to perform a lateral orbitotomy with radical extirpation of the tumor. The morphology of the tumor, including positivity of the immunohistochemical marker CD34, showed predominant characteristics of the HPC. The patient has been subject to a follow-up for the past 84 months and no signs of recurrence or metastases were observed during this period.