Barış Bat,Yelda Dere,İlker Akarken
Barış Bat
Extraadrenal myelolipomas are rare, and myelolipomas located in the kidney are extremely rare. We present a patient with multiple myelolipomas located both in the kidney and the adrenal gland. The largest of these lesions, seen in the kidne...
Metastatic Poorly Differentiated Sinonasal Squamous Cell Carcinoma With Complete SMARCB1/INI1 Loss [0.03%]
SMARCB1/INI1完全缺失的鼻腔鼻窦分化不良的移行细胞癌伴转移
Nicholas Bao Han Hang,Luke Ern Wei Tay,Irfan Sagir Khan et al.
Nicholas Bao Han Hang et al.
Squamous cell carcinoma is the most common sinonasal tract carcinoma, with varying histologic patterns and clinical behavior. Various genetic alterations have been described in sinonasal tumors, including deficiencies in the switch/sucrose ...
A Case Report of Alpha-Fetoprotein-Producing Pancreatic Neuroendocrine Tumor and Review of the Literature [0.03%]
AFP产生胰腺神经内分泌肿瘤1例及文献复习
Hirofumi Watanabe,Satsuki Kubo,Fumiyoshi Fujishima et al.
Hirofumi Watanabe et al.
This report describes a 63-year-old woman diagnosed with an alpha-fetoprotein (AFP)-producing pancreatic neuroendocrine tumor (NET) that exhibited rapid progression and liver metastasis. Although AFP is associated with hepatocellular carcin...
Malignant Gastrointestinal Neuroectodermal Tumors: Challenging Tumors With Diverse Morphology and Different Considerations for Differential Diagnosis [0.03%]
恶性胃肠道神经外胚层肿瘤：形态多样且鉴别诊断考虑因素各异的疑难肿瘤
Kaijian Zhang,Yao Fu
Kaijian Zhang
Malignant gastrointestinal neuroectodermal tumors (MGNET) are extremely rare malignant mesenchymal tumors derived from ectodermal neural cells of the gastrointestinal tract that most commonly arise in the small intestine. Preoperative diagn...
Primary Uterine Angiosarcoma Presenting With Omental Metastasis, Lymph Node Involvement, and Demonstrating a Null p53 Mutational Staining Pattern [0.03%]
初发子宫血管肉瘤伴大网膜转移及淋巴结侵犯并伴有p53无突变型表达模式一例报告
Jacob Rattin,Tatiana Buhtoiarova,Natalie Banet
Jacob Rattin
In this report, we present a 51-year-old woman with months of heavy vaginal discharge, pain, nausea, and vomiting. Magnetic resonance imaging showed a large necrotic mass expanding the uterus with extension through the myometrium. Initial b...
TFEB-Amplified Renal Cell Carcinoma: Integrating Histopathologic and Molecular Diagnostics with Therapeutic Implications [0.03%]
TFEB扩增的肾细胞癌：结合组织病理学和分子诊断并探讨其治疗意义
Julia Esber,Bibianna M Purgina,Kevin Hogan et al.
Julia Esber et al.
TFEB-amplified renal cell carcinoma (RCC) represents a newly described and rare aggressive molecular subtype of RCC that is characterized by TFEB gene amplification (6p21.1). These tumors are characterized by heterogeneous morphology (papil...
Ileal and Meckel Diverticulum Adenomyomas: Two Pediatric Case Reports and Literature Review [0.03%]
小儿回肠和梅克尔憩室腺肌瘤的两例报道及文献回顾
Mário Rui Correia,Diana A Baptista,Sofia Pedrosa et al.
Mário Rui Correia et al.
BackgroundAdenomyomas are rare benign lesions of the gastrointestinal tract, mostly found in the biliary tract and stomach. Their occurrence in the small bowel, particularly in children, is exceedingly rare. This report presents two pediatr...
Plexiform Fibromyxoma of the Gastric Body: A Rare Benign Mesenchymal Tumor in an Unconventional Location [0.03%]
胃体plexiform纤维黏液瘤：罕见的良性间叶肿瘤并发于非传统位置
Anan Bseiso,Dalia Ibrahim
Anan Bseiso
Plexiform fibromyxoma (PF) is an exceptionally rare benign mesenchymal tumor of the gastrointestinal tract, primarily affecting the gastric antrum. We present a detailed case report of a 67-year-old female patient who underwent diagnostic a...
The Spectrum of Sinonasal Respiratory Epithelial Malignancies in North Indian Cohort: Histological and Immunophenotypic Classification Along With Treatment Outcomes [0.03%]
北印度鼻副鼻窦呼吸道上皮恶性肿瘤的光谱：组织学和免疫表型分类及治疗结果
Pawan Kumar,Suvradeep Mitra,Amanjit Bal et al.
Pawan Kumar et al.
BackgroundThe WHO-fifth edition classified the sinonasal respiratory epithelial malignancies (SREMs) based on their histomorphological, immunohistochemical, and molecular features, due to their diverse manifestations.AimsWe aimed to ambispe...
Ovarian Gynandroblastoma: A Rare Sex Cord-Stromal Tumor with Unique Morphological, Genetic, and Clinical Features-A Series of Two Patients with Clinicopathological and Molecular Analysis, and a Review of the Literature [0.03%]
卵巢两性母细胞瘤：一种罕见的性索间质肿瘤，具有独特的形态学、遗传学和临床特征-两例患者的临床病理分析及分子研究和文献回顾
Elena Lucas,Kyle Molberg,Lesley Conrad et al.
Elena Lucas et al.
BackgroundGynandroblastoma is an exceptionally rare ovarian sex cord-stromal tumor containing both male and female components. Due to its rarity, molecular data are limited, and its clinical behavior remains incompletely understood.MethodsW...