Laryngeal spindle cell carcinoma (SpCC) is an uncommon subtype of squamous cell carcinoma which represents 0.5% of all laryngeal squamous cell carcinomas. It is a biphasic tumor consisting of the combination of a malignant mesenchymal spindle cell component and a squamous cell component that includes dysplasia, carcinoma in situ, or invasive carcinoma. Although it has aggressive biological features, the probability of making a diagnosis in the early stages is high as it often leads to obstructive symptoms in the early period. Due to its low incidence, there is no clear consensus on prognostic factors and optimal treatment strategies yet. In this paper, a 60-year-old laryngeal SpCC case that was effectively treated with wide local excision followed by adjuvant radiotherapy was presented with the literature.
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http://dx.doi.org/10.1155/2015/831835 | DOI Listing |
Virchows Arch
January 2025
Division of Thoracic Surgery, University Health Network, Toronto, ON, Canada.
J Cutan Pathol
January 2025
Department of Anatomical Pathology, Dorevitch Pathology, Heidelberg, Victoria, Australia.
Melanomas show a wide spectrum of clinical, morphological, immunohistochemical, and molecular features, which can impact treatment and prognosis. Dedifferentiated and transdifferentiated melanomas (DTM) are defined as melanomas which have lost conventional melanocytic morphologic and immunohistochemical features, showing sarcomatous morphology and/or immunohistochemical staining of other cell lineages, and as such, can be mistaken for other entities such as collision tumors and undifferentiated spindle cell tumors. In this series, we highlight the utility of preferentially expressed antigen in melanomas (PRAME) in diagnosing undifferentiated/dedifferentiated melanomas.
View Article and Find Full Text PDFInt J Surg Pathol
January 2025
Department of Pathology and Laboratory Medicine, Mayo Clinic, Jacksonville, FL, USA.
. To identify the most common reasons for consultation to a large specialty breast pathology service at a major institution. To provide insight into the overall challenges in practicing breast pathology.
View Article and Find Full Text PDFCell Commun Signal
January 2025
Key Laboratory of Research on Clinical Molecular Diagnosis for High Incidence Diseases in Western Guangxi of Guangxi Higher Education Institutions, Reproductive Medicine of Guangxi Medical and Health Key Discipline Construction Project, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, China.
Leucine-rich repeat kinase 2 (LRRK2) is a ROCO family member which its mutation is closely related with Parkinson's disease, and LRRK2 is widely involved into the regulation of autophagy, vesicle transport and neuronal proliferation. However, the roles of LRRK2 during mammalian oocyte maturation are still largely unclear. In present study, we disturbed the activity of LRRK2 and showed its essential roles in porcine oocytes.
View Article and Find Full Text PDFCell Commun Signal
January 2025
Laboratory of Theriogenology, College of Veterinary Medicine, Chungnam National University, Daejeon, 34134, Republic of Korea.
Background: Although the Notch signaling pathway is known to play an important role in ovarian follicle development in mammals, whether it is involved in oocyte maturation remains unclear. Therefore, this study was performed to elucidate the existence and role of the Notch signaling pathway during oocyte maturation in a porcine model.
Methods: Reverse transcription-polymerase chain reaction (RT-PCR) and immunocytochemical assays were used to determine the existence of Notch signaling pathway-related transcripts and proteins in porcine cumulus-oocyte complexes (COCs).
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