Thyroid research · 2024
A case report and literature review of rare isolated metastatic papillary thyroid carcinoma in the orbit.
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Khademi Behzad, Zia Zahra
Аннотация
PURPOSE: Orbital metastasis secondary to thyroid carcinoma is an exceedingly rare occurrence. In this case report, we present a rare isolated orbital metastasis of papillary thyroid carcinoma (PTC).
METHODS: A case report and literature review study.
RESULT: A 55-year-old female, who presented with right-sided exophthalmos persisting for seven months and a week-long history of decreased visual acuity. Orbital computed tomography (CT) revealed a solid, isolated, well-circumscribed mass confined to the right intra-conal orbital cavity. Surgical excision via lateral orbitotomy confirmed the diagnosis of metastatic PTC.
CONCLUSION: Most cases reported in the literature have identified orbital masses concurrently with the initial diagnosis of thyroid carcinoma. In contrast, our patient exhibited ocular symptoms following a prolonged interval after normal post ablative iodine imaging, highlighting a significant delay in metastatic presentation. Moreover, the solid and well-defined nature of the metastatic orbital mass, confined solely to the orbital cavity without evidence of bony destruction, muscle involvement or intracranial extension in this patient, constitutes a distinctive clinical feature rarely documented in existing case reports.
METHODS: A case report and literature review study.
RESULT: A 55-year-old female, who presented with right-sided exophthalmos persisting for seven months and a week-long history of decreased visual acuity. Orbital computed tomography (CT) revealed a solid, isolated, well-circumscribed mass confined to the right intra-conal orbital cavity. Surgical excision via lateral orbitotomy confirmed the diagnosis of metastatic PTC.
CONCLUSION: Most cases reported in the literature have identified orbital masses concurrently with the initial diagnosis of thyroid carcinoma. In contrast, our patient exhibited ocular symptoms following a prolonged interval after normal post ablative iodine imaging, highlighting a significant delay in metastatic presentation. Moreover, the solid and well-defined nature of the metastatic orbital mass, confined solely to the orbital cavity without evidence of bony destruction, muscle involvement or intracranial extension in this patient, constitutes a distinctive clinical feature rarely documented in existing case reports.