Abstract
Thymic carcinoma is a rare mediastinal tumor that is distinguished from malignant thymoma without cytologic atypia. We present two cases of thymic carcinoma with high uptake of Tl-201. Absence of Tl-201 uptake in a residual mass on the CT scan indicated a lack of tumor viability after the completion of therapy, which was verified by sequential needle biopsy. Tl-201 SPECT seems to be useful both in detecting thymic carcinoma and in assessing the therapeutic effect.
MeSH terms
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Aged
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Biopsy, Needle
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Carcinoma, Squamous Cell / diagnostic imaging
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Carcinoma, Squamous Cell / pathology
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Carcinoma, Squamous Cell / therapy
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Female
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Humans
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Image Processing, Computer-Assisted
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Male
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Mediastinal Neoplasms / diagnostic imaging
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Mediastinal Neoplasms / pathology
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Mediastinal Neoplasms / therapy
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Middle Aged
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Remission Induction
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Thallium Radioisotopes*
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Thymoma / diagnostic imaging*
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Thymoma / pathology
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Thymoma / therapy
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Thymus Neoplasms / diagnostic imaging*
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Thymus Neoplasms / pathology
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Thymus Neoplasms / therapy
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Tomography, Emission-Computed, Single-Photon*