Fine needle aspiration cytology (FNAC) of salivary gland is a popular technique with high sensitivity and specificity. However, the interpretation of FNAC smear of salivary gland lesions is a great challenge to the cytologists. The cytological features of the various tumors of the salivary gland have overlapping cytological features and many other lesions in the head neck region may mimic salivary lesions. Moreover, at times it may be difficult to differentiate benign from malignant tumor of the tumor with same cell of origin. In this article, we have discussed the various problems in the diagnosis of FNAC of the salivary gland lesions.
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http://dx.doi.org/10.1002/dc.23255 | DOI Listing |
Int J Surg Pathol
January 2025
Division of Pathology, Department of Diagnostic and Therapeutic Sciences, Meikai University School of Dentistry, Saitama, Japan.
Median mandibular cyst is defined as an odontogenic cyst in a rare midline location. In spite of this definition, there have been two reports of a peculiar lesion, so-called "ciliated" median mandibular cyst associated with vital teeth, the origin of which cannot be explained in terms of odontogenic epithelium multipotentiality. We describe a thorough profile of an additional example.
View Article and Find Full Text PDFInt J Surg Pathol
January 2025
Department of Oral Diagnosis, Piracicaba School of Dentistry, State University of Campinas (UNICAMP), Piracicaba, São Paulo, Brazil.
Genome Biol Evol
January 2025
ISEM, Univ. Montpellier, CNRS, IRD, Montpellier, France.
Ant-eating mammals represent a textbook example of convergent evolution. Among them, anteaters and pangolins exhibit the most extreme convergent phenotypes with complete tooth loss, elongated skulls, protruding tongues, and hypertrophied salivary glands producing large amounts of saliva. However, comparative genomic analyses have shown that anteaters and pangolins differ in their chitinase acidic gene (CHIA) repertoires, which potentially degrade the chitinous exoskeletons of ingested ants and termites.
View Article and Find Full Text PDFAdv Rheumatol
January 2025
Department of Ophthalmology, Otolaryngology, Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil.
Background: Endoplasmic reticulum stress (ERS) and the unfolded protein response (UPR) are adaptive mechanisms for conditions of high protein demand, marked by an accumulation of misfolded proteins in the endoplasmic reticulum (ER). Rheumatic autoimmune diseases (RAD) are known to be associated with chronic inflammation and an ERS state. However, the activation of UPR signaling pathways is not completely understood in Sjögren's disease (SD).
View Article and Find Full Text PDFBMC Cancer
January 2025
Department of Tumor Biology and Genetics, Medical University of Warsaw, Warsaw, Poland.
Aim: The study was designed to evaluate molecular alterations, relevant to the prognosis and personalized therapy of salivary gland cancers (SGCs).
Materials And Methods: DNA was extracted from archival tissue of 40 patients with various SGCs subtypes. A targeted next-generation sequencing (NGS) panel was used for the identification of small-scale mutations, focal and chromosomal arm-level copy number changes.
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