PMC5215530_01
Computed tomography revealing enlarged left thyroid lobe with heterogeneous enhancement and calcifications. There was a hypodense component with focal air loculi within the lesion.
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There was a hypodense component with focal air loculi within the lesion (Figure 1).
Core needle biopsy showing caseous necrosis and stain for AFB positive.
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Core needle biopsy was performed which showed severe chronic inflammation, caseous necrosis, and stain for AFB positive (Figure 2).
Cut section of thyroid showing greyish white color with extensive areas of autolysis and a cavity identified in the center of the lesion.
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The cut section was greyish white with extensive areas of autolysis and a cavity identified in the center of the lesion (Figure 3).
Thyroid histopathology showing destruction of thyroid follicles. Numerous lymphoid follicles were seen with lymphocytes infiltrating into the surrounding fibrocollagenous tissue.
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A 1 cm sinus tract was identified which was lined by dense inflammatory granulation tissue and fibrosis, features suggestive of Hashimoto's thyroiditis (Figure 4) and areas of extensive necrosis adjacent to thyroid follicles suggestive of tuberculosis of thyroid (Figure 5).
Tissue section showing areas of necrosis and adjacent thyroid follicles suggestive of tuberculosis of thyroid gland. Boxed area showing extensive areas of necrosis.
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A 1 cm sinus tract was identified which was lined by dense inflammatory granulation tissue and fibrosis, features suggestive of Hashimoto's thyroiditis (Figure 4) and areas of extensive necrosis adjacent to thyroid follicles suggestive of tuberculosis of thyroid (Figure 5).