Pediatric Metastatic Hepatoblastoma With an ARID1A Mutation and Rhabdoid Cells [0.03%]
带有ARID1A基因突变和横纹肌样细胞的儿童肝母细胞瘤转移癌
Murad Alturkustani,Rachel Gallant,Gordana Raca et al.
Murad Alturkustani et al.
The small cell undifferentiated component of hepatoblastoma is an uncommon histologic component and is distinguished from small cell undifferentiated like pattern (originally called hepatoblastoma and now recognized to be malignant rhabdoid...
Hybrid Carcinoma of the Parotid Gland: An Extremely Rare Three Cases with an Immunohistochemical Analysis and a Review of the Literature [0.03%]
腮腺混合型癌瘤的三例罕见病例并免疫组化分析及文献复习
Kimihide Kusafuka,Masaru Yamashita,Shoji Yamanaka et al.
Kimihide Kusafuka et al.
Salivary hybrid carcinoma (HC) is defined as when two or more kinds of carcinoma exist at the same location in a single mass. We reestimated and examined three cases of salivary gland HC. Case 1 involved a 76-year-old male. Case 2 involved ...
Two Components of Variant Profiles in Primary Vaginal Carcinosarcoma via Next-Generation Sequencing and a Literature Review [0.03%]
NGS检测原发性阴道肉瘤变异谱及文献复习
Rakan Kotoku,Shintaro Yanazume,Takafumi Kuroda et al.
Rakan Kotoku et al.
Primary vaginal carcinosarcoma (VCS) is an extremely rare and aggressive tumor consisting of admixed malignant epithelial and mesenchymal elements. We report a case of VCS that was subjected to analysis by immunohistochemistry and next-gene...
Mesectodermal Leiomyoma of the Ciliary Body: A Unique Variant of Leiomyoma with Myogenic and Neurogenic Histological Features [0.03%]
睫状体中间胚叶平滑肌瘤一种具有肌肉组织和神经组织特点的平滑肌瘤变异型
Osamu Inamori,Hideki Fukuoka,Michiko Nagamine et al.
Osamu Inamori et al.
Mesectodermal leiomyoma of the ciliary body is a rare benign tumor, showing both neurogenic and myogenic characteristics. This tumor typically shows predilection for women of reproductive age. Because it is almost impossible to clinically d...
A Histopathologic Approach to Uterine Niche: What to Expect and to Report in Hysteroscopy-Resected Isthmocele Specimens [0.03%]
子宫憩室的病理评价：宫腔镜下子宫峡部憩室切除标本的预期及报告内容
Badr AbdullGaffar,Amal Almulla
Badr AbdullGaffar
As one of the emerging complications of caesarean sections (CSs), pathologists will have an important role in handling samples of uterine niches. An isthmocele is a defect at the site of a previous CS scar resulting in a variety of symptoms...
Eosinophilic Solid and Cystic Renal Cell Carcinoma With Melanin Pigment-Expanding the Morphological Spectrum [0.03%]
含黑色素色素的实性囊性嗜酸细胞型肾细胞癌——一种罕见病理类型的病例报告及文献复习
Alessandro Pietro Aldera,Ondřej Hes
Alessandro Pietro Aldera
Eosinophilic solid and cystic renal cell carcinoma (ESC-RCC) is an emerging entity in renal neoplasia with distinctive histopathological findings and a generally favorable prognosis. The presence of melanin pigment in a renal tumor typicall...
Expanding the Molecular Genetic Spectrum of Bone and Soft Tissue Fibrosarcomas: An Institutional Experience [0.03%]
骨和软组织纤维肉瘤的分子遗传谱系扩大：机构经验报告
Bruce D Leckey Jr,Ivy John,Abigail Wald et al.
Bruce D Leckey Jr et al.
Introduction. Fibrosarcomas, once comprising the majority of unclassifiable spindle-cell sarcomas, are now regarded as a diagnosis of exclusion. Objectives. Prompted by an index report of neurotrophic receptor tyrosine kinase (NTRK)3 fusion...
Papillary Breast Tumors: Continuing Controversies and Commentary on WHO's 2019 Criteria and Classification [0.03%]
乳头状乳腺肿瘤：关于世卫组织2019年标准和分类的争议及述评
Ami Patel,Raza S Hoda,Syed A Hoda
Ami Patel
The category of papillary breast tumors includes a limited number of entities. Nonetheless, this relatively uncommon group of tumors seems to instigate a disproportionate degree of diagnostic disquiet. As a group, papillary breast tumors su...
Primary Prostatic Carcinoma With De Novo Diffuse Neuroendocrine Differentiation [0.03%]
原发前列腺癌伴发新型广泛神经内分泌分化
Laurence A Galea,Christopher Mow,Samson W Fine et al.
Laurence A Galea et al.
The 2016 World Health Organization classification of prostate cancer with neuroendocrine (NE) differentiation includes NE cells in usual prostate cancer, adenocarcinoma with Paneth cell-like NE differentiation, well-differentiated NE tumor ...
Mammary-type Myofibroblastoma with Leiomyomatous Differentiation: A Rare Variant with Potential Pitfalls [0.03%]
具有平滑肌分化的乳腺型肌纤维母细胞瘤一种罕见变异类型及其潜在的诊断陷阱
Alexander M Strait,Julia A Bridge,Anthony J Iafrate et al.
Alexander M Strait et al.
Myofibroblastoma is a rare, benign stromal tumor with a diverse morphologic spectrum. Mammary-type myofibroblastoma (MTMF) is the extra-mammary counterpart of this neoplasm and its occurrence throughout the body has become increasingly reco...