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Primary intraosseous squamous cell carcinoma with pagetoid spread arising in periapical odontogenic epithelium of the maxilla.
Med Mol Morphol
January 2025
Faculty of Medicine, Department of Oral and Maxillofacial Surgery, Fukuoka University, Fukuoka, Japan.
To date, pagetoid spread-the proliferation of pagetoid cells in intraepidermal lesions, as observed in secondary extramammary Paget's disease-has not been reported in squamous epithelium derived from the extension of head and neck carcinomas. Herein, we report a case of pagetoid squamous cell proliferation associated with a primary intraosseous carcinoma (PIOC) arising in the periapical lesion of the maxilla, a finding not reported previously. A 60-year-old man presented with prostate adenocarcinoma and bilateral pubic bone, ilium bone, and sacral bone metastases.
View Article and Find Full Text PDFTriple-negative ectopic breast cancer of the male scrotum: a case report.
Front Oncol
December 2024
Weifang People's Hospital, Shandong Second Medical University, Weifang, Shandong, China.
Male breast cancer represents only 1% of all breast malignancies, with ectopic breast cancer in men being even rarer and highly prone to diagnostic challenges. Extramammary Paget's disease (EMPD), a rare cutaneous tumor with non-specific clinical symptoms, is susceptible to misdiagnosis. This report discusses the case of an older male patient who presented with a scrotal mass, later identified as ectopic breast invasive adenocarcinoma upon pathological examination post-lesion excision.
View Article and Find Full Text PDFPseudoangiomatous Stromal Hyperplasia: A Rare Case of Bilateral Axillary Ectopic Breast Tissue.
Cureus
November 2024
Plastic and Reconstructive Surgery, Cleveland Clinic Florida, Weston, USA.
Pseudoangiomatous stromal hyperplasia (PASH) is a benign but rare mesenchymal proliferation of the mammary stroma, characterized by pseudovascular spaces within a hyperplastic matrix. PASH can be classified as either non-tumor-forming or tumor-forming. The non-tumor-forming type is an infiltrative and clinically undetectable mass, incidentally found in approximately a quarter of breast biopsies.
View Article and Find Full Text PDFArticle Synopsis
- An 82-year-old woman with a history of bladder cancer had a cystectomy and developed a ureteral fistula in 2012, showing no cancer spread at that time.
- In 2020, she experienced vulvar itching, diagnosed as vulvovaginitis, but the symptoms persisted, leading to a biopsy in 2023 that revealed Paget cells and secondary extramammary Paget's disease linked to urothelial carcinoma.
- After detecting a mass in the pelvic floor and confirming local recurrence of cancer, she underwent surgery in October 2023 and is currently recovering well without signs of recurrence.
Pembrolizumab has been found effective against various solid tumors with high tumor mutation burden, but there are no reports of successful treatment with pembrolizumab for extramammary Paget's disease (EMPD) with a high tumor mutation burden (TMB). This report describes a 71-year-old male patient who presented with irregularly shaped erythematous lesions on his scrotum, which had been there for several years. He was diagnosed with EMPD.
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