Primary signet ring cell carcinoma of the appendix is a very rare neoplasm that usually presents with signs and symptoms of acute appendicitis and in particular with a right lower abdominal pain. Preoperative imaging detection of appendiceal adenocarcinoma has an important value because it may result in an appropriate surgical procedure. We report a rare case of primary signet ring cell carcinoma of the vermiform appendix in an 80-year-old man who was misdiagnosed on computed tomography (CT) scan as acute appendicitis.
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http://dx.doi.org/10.1258/arsr.2012.120017 | DOI Listing |
Cureus
December 2024
Department of Surgical Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, PAK.
Background Signet ring cell carcinoma (SRCC) is a rare subtype of colorectal cancer with significant variations in clinical characteristics and poor prognosis. However, there is limited data available in Pakistan. Therefore, we analyzed to examine the incidence, clinicopathological features, treatments, and outcomes of SRCC in colorectal cancer cases in Pakistan.
View Article and Find Full Text PDFClin Genitourin Cancer
November 2024
Department of Urology, Wagga Wagga Base Hospital, Wagga Wagga, New South Wales, Australia; Medicine and Health, University of New South Wales, Sydney, New South Wales, Australia.
Signet ring cell adenocarcinoma is a rare subtype of mucinous adenocarcinoma that affects the gastrointestinal tract and the prostate. Prostatic signet ring cell carcinoma comprises 0.02% of all cases of prostate cancer and 0.
View Article and Find Full Text PDFFront Oncol
December 2024
Department of Pathology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China.
Background: Signet-ring cell carcinoma (SRCC) originates from undifferentiated stem cells in the neck of glands within the lamina propria of the mucosa. Primarily affecting the stomach, SRCC can also involve the breast, pancreas, gallbladder, colon, and bladder, although these cases are rare. SRCC of the prostate is extremely rare, and diagnosing it pelvic puncture is particularly challenging.
View Article and Find Full Text PDFFront Oncol
December 2024
Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.
Introduction: Recent studies have shown an increase in the prevalence of early-onset colorectal cancer (CRC) in people aged 20-49 compared to those aged 50-74, with a more rapid increase in the younger age groups. Poorly differentiated, left-sided, and rectal tumors were more common in young adults than in older adult CRC patients. We aimed to improve the understanding of early-onset CRC and to guide primary care physicians on strategies to mitigate its impact.
View Article and Find Full Text PDFWorld J Gastrointest Oncol
December 2024
Department of Pathology, Kunming Children's Hospital, Kunming 650028, Yunnan Province, China.
Background: Signet-ring cell carcinoma (SRCC) is a rare subtype of colorectal cancer. The incidence of primary colonic SRCC is relatively rare in pediatric patients, with a limited number of reported cases currently available. The prognosis for this specific tumor type is unfavorable, and the preoperative diagnosis presents challenges, potentially leading to misdiagnosis.
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