case_images: PMC3223956_01
case_images: 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).
case_images: can-5-214f1.jpg
case_images: PMC3223956_01_can-5-214f1.jpg
case_images: f1-can-5-214
case_images: 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).
case_images: (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).
case_images: can-5-214f2.jpg
case_images: PMC3223956_01_can-5-214f2.jpg
case_images: f2-can-5-214
case_images: Histopathology showed cells arranged in pseudoglandular pattern, and at places cells were arranged in loose cohesive clusters representing acantholysis (Figure 2a-c).
case_images: Microphotograph showing intraductal component which showed ducts lined by squamous cells with central region of necrosis (H&E stain).
case_images: can-5-214f3.jpg
case_images: PMC3223956_01_can-5-214f3.jpg
case_images: f3-can-5-214
case_images: The necrotic component was comprised of keratinous debris (Figure 3).