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TP53 Wild-type, HPV-independent Anal Growth/(intra)Epithelial Lesion (ANGEL): a Potential Precursor of Anal Squamous Cell Carcinoma.
Mod Pathol
January 2025
Department of Pathology and Laboratory Medicine, University of Miami.
Human papillomavirus (HPV) underpins approximately 90% of squamous cell carcinomas (SCC) of the anus and perianal region. These tumors usually arise in association with precursor lesions such anal intraepithelial neoplasia/ high-grade squamous intraepithelial lesion (AIN 3/ HSIL), whereas a small subset of HPV-negative cancers may harbor mutations in TP53. Recently, vulvar lesions termed differentiated exophytic vulvar intraepithelial lesion/vulvar acanthosis with altered differentiated (DEVIL/VAAD) have been recognized as HPV-independent, TP53 wild-type precursors for vulvar carcinoma; however, analogous anal lesions have not been described.
View Article and Find Full Text PDFIntestinal Tuberculosis With Recurrent Gluteal Abscesses and Perianal Fistulas: A Case Report and Literature Review.
Cureus
December 2024
Pharmacology, Universidade Federal do Vale do São Francisco, Petrolina, BRA.
This case is relevant for describing a rare presentation of intestinal tuberculosis with perianal manifestations, complicated by abscesses and recurrent fistulas. The clinical manifestations mimicked Crohn's disease and other inflammatory conditions, making the diagnosis challenging and requiring a differentiated and meticulous diagnostic process. A 45-year-old male patient presented with a chronic abscess in the left buttock lasting for two years, characterized by spontaneous purulent drainage and multiple recurrences despite surgical and clinical treatments.
View Article and Find Full Text PDFPerianal Streptococcal Dermatitis Complicated by Bacteremia: Report of Two Cases With Unusual Presentations.
Pediatr Infect Dis J
November 2024
Department of Pediatric Infectious Diseases, Gazi University School of Medicine, Ankara, Turkey.
Atypical Manifestation of Enterobius vermicularis Infestation in Adults: A Report of a Rare Case.
Cureus
October 2024
General Surgery, SRM Medical College Hospital and Research Centre, SRM Institute of Science and Technology, Chennai, IND.
, commonly known as pinworm, is a parasitic nematode primarily affecting children, with adult infestations being rare. The infection is typically transmitted via the fecal-oral route and is characterized by intense perianal itching, particularly at night. We present a case of a 39-year-old male with an unusual case of infestation.
View Article and Find Full Text PDFCutaneous Ulcers in an Individual with Acquired Immunodeficiency Syndrome: A Case Report.
J Assoc Physicians India
November 2024
Director and Chief Consultant, Department of Infectious diseases, Institute of Infectious Diseases; Consultant, Department of Internal Medicine, Poona Hospital and Research Centre, Pune, Maharashtra, India.
We report an unusual presentation of Cytomegalovirus (CMV) cutaneous perianal ulcerative lesion in a patient with severe immunosuppression. A 43-year-old male presented with perianal ulcer along with bleeding and pain while passing stools. On biopsy, the ulcer showed typical histopathological features of CMV infection with involvement of endothelial cells.
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