Fundic Gland Polyp With Parietal Cell Vacuolation Mimicking Signet Ring Cell Carcinoma [0.03%]
呈印戒细胞癌样的 fundic 粘液腺瘤伴壁细胞空泡化
John D Coyne,S Thampy
John D Coyne
Pseudo-signet ring parietal cell vacuolation has been described as a mimic of invasive signet ring cell carcinoma. Moreover, signet ring cell carcinoma has been described in a fundic gland polyp. This case demonstrates parietal cell vacuola...
Basaloid Squamous Cell Carcinoma of the Uterine Cervix: Report of a Case With Molecular Analysis [0.03%]
子宫颈基底样鳞状细胞癌一例并分子分析
Jijgee Munkhdelger,Tomoko Shimooka,Yoshinori Koyama et al.
Jijgee Munkhdelger et al.
There is a lack of knowledge about molecular alterations in basaloid squamous cell carcinoma (BSCC) of the uterine cervix. A 72-year-old woman with a history of previous subtotal hysterectomy and current vaginal bleeding was referred to our...
Fibrous Dysplasia at Unusual Anatomic Sites: A Series of 86 Cases With Emphasis on Histologic Patterns [0.03%]
86例罕见部位纤维结构不良的病理特点分析
Nicholas J Olson,Carrie Y Inwards,Doris E Wenger et al.
Nicholas J Olson et al.
Aims. Fibrous dysplasia (FD) is a benign fibro-osseous neoplasm that most commonly arises in the ribs, femur, and craniofacial bones. We analyzed features of FD arising in the spine/short tubular/small bones of the hands/feet (STSBHF), spec...
Human Papilloma Virus 18-Positive Submucosal Small Cell Neuroendocrine Carcinoma of the Vagina: An Immunohistochemical and Genomic Study [0.03%]
人乳头瘤病毒18型阳性的阴道黏膜下小细胞神经内分泌癌：免疫组化及基因组研究
Ikumi Kitazono,Toshiaki Akahane,Mika Sakihama et al.
Ikumi Kitazono et al.
Primary vaginal neuroendocrine carcinoma (NEC) is extremely rare among female genital tract tumors. Here, we report 2 cases of vaginal small cell NEC (SCNEC) using immunohistochemistry and next-generation sequencing (NGS) analysis. The 2 pa...
Cardiophrenic Lymph Node Metastasis of Ovarian High-grade Serous Carcinoma Showing Wild-type p53 Immunostaining Pattern and Aberrant CD56 Expression [0.03%]
野生型p53和异常CD56表达卵巢高级别浆液性癌心膈淋巴结转移1例
Hee Jung Kwon,Mijung Oh,Joungho Han et al.
Hee Jung Kwon et al.
Patterns of p53 immunostaining are used as a surrogate marker for tumor protein 53 (TP53) mutations in the diagnosis of ovarian high-grade serous carcinoma (HGSC). We present a rare case of ovarian HGSC that metastasized to the diaphragm an...
Cathepsin K (Clone EPR19992) Demonstrates Uniformly Positive Immunoreactivity in Renal Oncocytoma, Chromophobe Renal Cell Carcinoma, and Distal Tubules [0.03%]
猫尿酸蛋白酶K（克隆EPR19992）在肾嫌色细胞癌、肾瘤和远端小管中呈均匀阳性免疫反应性
Oleksii A Iakymenko,Katiana S Delma,Merce Jorda et al.
Oleksii A Iakymenko et al.
Introduction. Cathepsin K is overexpressed in several tumors associated with microphthalmia transcription factor (MiTF) family or mechanistic target of rapamycin (mTOR) upregulation. Among renal neoplasms, MiTF translocation renal cell carc...
Not All Cases of Mammary Paget's Disease are Cytokeratin-7 Positive: A Challenging Diagnosis! [0.03%]
并非所有导管内Paget病都是CK7阳性的一项挑战性诊断！
Kerschen Anja,Dano Hélène,Van Eeckhout Pascal et al.
Kerschen Anja et al.
Mammary Paget's disease accounts for 1% to 3% of all breast tumors and manifests as a chronic eczematous lesion of the areolar skin. It can occur without any underlying neoplasia or can be present in association with an underlying invasive ...
Rana Ajabnoor,Phoenix D Bell,Scott Schiffman et al.
Rana Ajabnoor et al.
Histiocytic sarcoma is a rare, but aggressive malignant neoplasm of monocyte/macrophage lineage with a wide age distribution. Bone involvement is exceedingly rarer compared to the lymph node, skin, and soft tissue, and no long bone involvem...
A Rare Case of Cardiac Mesenchymal Hamartoma and Comprehensive Review of the Literature With Emphasis on Histopathology [0.03%]
心脏间叶组织硬化症罕见病例及文献全面综述（重点为组织病理学）
Soma Jobbagy,Simmi Patel,Charles Marboe et al.
Soma Jobbagy et al.
Hamartomas are primary, benign neoplastic lesions that most commonly derive from a single variably differentiated cell lineage. Here, we report an unusual case of a cardiac hamartoma. A 62-year-old woman presented with chest pain and palpit...
Artefactual Epithelial Displacement in a Papilloma with Extensive Usual Duct Hyperplasia Mimics a Solid Papillary Carcinoma with Invasive Growth [0.03%]
伴有广泛导管上皮增生的乳头状瘤中的假性上皮移位类似具有浸润生长的实性乳头状癌
Aline François,Christine Galant,Martine Berlière et al.
Aline François et al.
Mammary solid papillary carcinoma and usual duct hyperplasia (UDH) of the breast are morphological look-alikes, characterized by cellular streaming, solid growth, and a lack of high-grade nuclear atypia. Here, we report a challenging papill...