case_images: PMC5836226_01
case_images: The patient had a reddish pigmentation left at the spot similar to this one. She had also received radium treatment for haemangioma at this site on the lower part of her abdomen.
case_images: cde-0010-0013-g01.jpg
case_images: PMC5836226_01_cde-0010-0013-g01.jpg
case_images: F1
case_images: She had always had a reddish pigmentation left at the spot (Fig. 1), but she had recently developed an ulcer in the area that would not heal.
case_images: Skin excision with ulcerated biphasic tumour, with components of squamous cell carcinoma and undifferentiated sarcoma.
case_images: cde-0010-0013-g02.jpg
case_images: PMC5836226_01_cde-0010-0013-g02.jpg
case_images: F2
case_images: The pathology report showed a mixed tumour with sarcoma and carcinoma component, resulting in the diagnosis of sarcomatoid carcinoma (Fig. 2).