PMC3223956_01
Microphotograph of cut section of the mass showing a cystic area with necrosis in upper portion and a grey white solid area just below it (H&E stain).
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A cross section of the mass showed a cystic area with necrosis in the upper portion and a grey white solid area just below it (Figure 1).
(a) Microphotograph showing malignant squamous cells in pseudoglandular pattern (H&E stain). (b) Microphotograph showing malignant squamous cells in pseudoglandular pattern (H&E stain). (c) Microphotograph showing acantholysis of squamous cells (H&E stain).
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Histopathology showed cells arranged in pseudoglandular pattern, and at places cells were arranged in loose cohesive clusters representing acantholysis (Figure 2a-c).
Microphotograph showing intraductal component which showed ducts lined by squamous cells with central region of necrosis (H&E stain).
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The necrotic component was comprised of keratinous debris (Figure 3).