Suzanne M Selvaggi
BACKGROUND: Molecular testing aids in the work up and management of patients with pancreatic cysts. This study reports on the value of PancreaSeq® in the evaluation of pancreatic cyst aspirates. METHODS: PancreaSeq® testing at our institution was implemented June 1, 2022. Over a 7-month period (June 1, 2022 through December 31, 2022) 50 cyst aspirates of which 26 (52%) were non-diagnostic 4 (8%) negative 1 (2%) atypical, 17 (34%) suspicious for a mucinous cystic neoplasm (MCN) and 2 (4%) positive for a MCN on cytology were sent for testing...
June 2, 2023: Diagnostic Cytopathology
Peace Preston, Magda Esebua, Lester J Layfield
BACKGROUND: Appropriate clinical management of salivary gland lesions requires a determination as to whether a salivary gland nodule is benign or malignant. Approximately three-quarters of all salivary gland nodules represent benign neoplasms. Separation of salivary gland carcinomas from benign lesions can be diagnostically challenging. The Milan System for Reporting Salivary Gland Cytopathology recommends the correlation of cytologic diagnoses with imaging and clinical findings creating a diagnostic triplet...
June 1, 2023: Diagnostic Cytopathology
Suprabhat Giri, Megha S Uppin, Lohith Kumar, Shantveer Uppin, Pramod Kumar Pamu, Sumaswi Angadi, Sukanya Bhrugumalla
BACKGROUND: Endoscopic ultrasound (EUS)-guided tissue acquisition is the preferred modality for diagnosing pancreatic lesions and mediastinal and abdominal lymph nodes. Rapid on-site cytologic evaluation improves the diagnostic outcome of EUS-guided fine-needle aspiration (FNA) but is unavailable at many centers. Alternatively, macroscopic on-site evaluation (MOSE) may improve the diagnostic outcome of EUS-FNA, but data are limited. Hence, the present study was conducted to assess the efficacy of MOSE in improving adequacy and accuracy...
June 1, 2023: Diagnostic Cytopathology
Hiroshi Shintaku, Kentaro Gokita, Takumi Oshima, Kenta Suzuki, Keiko Fujii, Noriko Sugaya, Shohei Tomii, Iichiroh Onishi, Ken Shimada, Kenichi Ohashi
Endoscopic ultrasound-guided fine-needle aspiration biopsy (EUS-FNAB) is useful for preoperatively diagnosing various pancreatic tumors. Although there is a risk of complications, such as pancreatitis, this procedure achieves the crucial need of reducing unnecessary invasive surgery for benign lesions. Herein, we reported a surgically resected case of pancreatic hamartoma in the pancreatic head whose retrospective analysis revealed that the specimens obtained via EUS-FNAB contained hamartoma fragments. Pancreatic hamartoma is an extremely rare benign disease that is exceptionally difficult to diagnose before surgical resection owing to its rarity and lack of established imaging findings...
May 31, 2023: Diagnostic Cytopathology
Yan Li, Yoo Min Ahn, Shuang Niu
Primary cardiac angiosarcoma is an exceedingly rare high-grade malignancy of the heart originating from endothelial cells, with a predilection for the right atrium in male. Clinical diagnosis is extremely challenging because of the nonspecific symptoms and radiological findings. Although almost always presenting with massive recurrent pericardial effusions, cardiac angiosarcoma diagnosed based on pericardial fluid has rarely been reported, either due to the paucity of malignant cells or misdiagnosis due to low familiarity/suspicion and lack of proper workup...
May 30, 2023: Diagnostic Cytopathology
Eva Manuela Pena-Burgos, Mar Tapia-Viñe, Ana M Rodríguez-García, Eduardo José Ortiz-Cruz, Jose Juan Pozo-Kreilinger
INTRODUCTION: Intranodal palisaded myofibroblastoma (IPM) is an exceedingly rare benign mesenchymal tumor of the lymph nodes. Magnetic resonance imaging (MRI) findings are unspecific, which may present diagnostic challenges to fine-needle aspiration cytology (FNAC). The histological and immunohistochemical features of IPM are unique. CASE REPORT: A previously healthy 40-year-old male patient presented a slow-growing solitary left inguinal mass. FNAC revealed clustered cells within a metachromatic stroma, single spindle cells without atypia, hemosiderin pigment, and siderophages...
May 27, 2023: Diagnostic Cytopathology
Ole Magnus Bjørgaas Helle, Mala Kanthali, Naish Akhtar, Manju Raj Purohit, Tehmina Mustafa
BACKGROUND: Fine needle aspiration cytology (FNAC) is established as a first line investigation for tuberculous lymphadenitis (TBLA). We aimed to describe the various cytomorphologic features of tuberculosis (TB) on FNAC and their contribution in the diagnostic decision-making in suspected TBLA cases. METHODS: Patients with presumptive TBLA were prospectively enrolled (n = 266) and subjected to routine diagnostic work-up for TB, including FNAC samples, and followed until the end of treatment...
May 23, 2023: Diagnostic Cytopathology
Saman Shah, Sangita Bohara, Mohiny Saxena, Nidhi Goel, Jyoti Srivastava
Trichophyton is a dermatophytic fungi causing superficial skin infections which affects outermost layer of the epidermis, stratum corneum, and mainly involves feet, groin, scalp, and nails. Invasion into the dermis occurs mainly in immunocompromised patients. A 75-year-old hypertensive female presented with a nodular swelling on the dorsum of right foot for 1 month. The swelling was 1.0 × 1.0 cm and gradually progressive in nature. FNAC revealed many thin filamentous branching and fungal hyphae along with foreign body granulomas and suppurative acute inflammation...
May 23, 2023: Diagnostic Cytopathology
Jonathan Willner, Osvaldo Hernandez, Lea Azour, Andre L Moreira
Aspirates of mediastinal neoplasms pose a unique diagnostic challenge due to the overlapping histologic characteristics of mediastinal lesions and the morphologic similarities between mediastinal neoplasms and those originating at other sites. Presented here is the first reported description of the cytomorphologic features of adenocarcinoma NOS of the thymus in aspirate and pleural effusion specimens. The morphologic similarities between thymic and metastatic adenocarcinomas and variable immunohistochemical staining patterns of thymic epithelial neoplasms underscore the importance of pathology-radiology correlation and the careful consideration of the clinical context in the interpretation of cytology specimens...
May 22, 2023: Diagnostic Cytopathology
Aishwarya Sharma, Sankalp Sancheti, Puneet Somal, Nagarjun Ballari, Sahil Sood, Ankur Dwivedi, Deepander Singh Rathore, Anshul Singla, Akash Sali
BACKGROUND: A secondary lesion in the thyroid gland is a rare clinical scenario diagnosed preoperatively during the evaluation of a neck mass, postoperatively in a thyroidectomy specimen or in autopsy studies. Even though the thyroid gland is highly vascular, secondary malignant lesions are rare accounting for 0.2% of all thyroid malignancies. Thyroid gland secondary lesions are often metachronous in presentation as they are seldom evaluated in the initial diagnostic workup of the primary lesion...
May 20, 2023: Diagnostic Cytopathology
David McKenzie, Wei Chen, Chanjuan Shi, Avani A Pendse
BACKGROUND: The recently described sclerosing variant of pancreatic neuroendocrine tumor (spNET) shows prominent stromal fibrosis and decreased tumor cellularity in surgical pathology specimens. Although prognostic data are currently ambivalent, some studies have reported metastatic disease in small primary tumors, highlighting the need for early diagnosis. The aim of our study is to evaluate cytology specimens of spNET to determine its characteristic cytomorphologic features to expedite an early diagnosis...
May 12, 2023: Diagnostic Cytopathology
Julie Weigner, Raewyn Billings, Rodney J Scott, Simon King
BACKGROUND: Digital droplet PCR (ddPCR) is a relatively new technique used to detect molecular alterations with unprecedented precision and accuracy. It is particularly useful for detecting point mutations and copy number variation (CNV) in samples with small amounts of target DNA. This proof of principle study was conducted to see if ddPCR technology could be applied to cytology specimens to detect molecular alterations which may influence diagnostic decision making. METHODS: A range of cytological specimens derived from bladder or pancreaticobiliary origin, with varying diagnoses but with an emphasis on abnormality, underwent ddPCR testing...
May 12, 2023: Diagnostic Cytopathology
Toshiaki Akahane, Tomomi Isochi-Yamaguchi, Natumi Hashiba-Ohnuki, Nobuyuki Bandoh, Eriko Aimono, Yasutaka Kato, Hiroshi Nishihara, Hajime Kamada, Akihide Tanimoto
BACKGROUND: As liquid-based cytology (LBC) specimens harbor high-quality DNA, genomic analysis using LBC specimens is beneficial for integrative diagnosis. This study aimed to clarify the feasibility of LBC specimens for a bimodal application of DNA- and RNA-based next-generation sequencing (NGS) panels. METHODS: LBC specimens were prepared from cultured human cancer HEC59 cells using commercially available fixatives (Cellprep, CytoRich Red, and SurePath solutions), and were subjected to NGS for a feasibility study...
May 10, 2023: Diagnostic Cytopathology
Reetu Kundu, Surinder Singh Rana, Rachagiri Suneel, Pranab Dey
Endoscopic ultrasound enables visualization of lesions within and in the vicinity of the gastrointestinal tract. Endoscopic ultrasound guided fine needle aspiration cytology (EUS-FNAC) helps in targeting various luminal and extraluminal lesions both diagnostically and therapeutically. Various intra-abdominal organs amenable to EUS-FNA include the gastrointestinal tract (GIT), pancreas, kidney, adrenal gland, liver, bile duct, gallbladder, spleen, and lymph nodes. EUS-FNAC is mostly done for pancreatic and intra-abdominal lymph nodal lesions...
May 8, 2023: Diagnostic Cytopathology
Jesty Pullattu Tom, Parikshaa Gupta, Bishan Das Radotra, Nalini Gupta, Aastha Takkar, Sofia Singh, Vishali Gupta
Primary central nervous system lymphoma (PCNSL) is a rare subtype of non-Hodgkin lymphoma confined to the brain, spinal cord, meninges, intraocular compartment, and cranial nerves. Intraocular lymphoma (IOL) is a rare subtype of PCNSL. Intravitreal involvement by a PCNSL is an infrequent but potentially fatal event. The role of vitreous cytology in diagnosing IOLs is vital but has been sporadically described in the literature due to its variable sensitivity. Herein, we present a case of PCNSL, who primarily presented with ocular symptoms and could be accurately diagnosed based on vitreous cytology and subsequently confirmed on stereotactic brain biopsy...
May 6, 2023: Diagnostic Cytopathology
Hongliang Xu, Yong Chen, Caixia Zhao, Qin Wang, Man Tang, Weiqin Zhang, Qing Wang, Rong Lou, Tingting Liu, Yi Feng, Heping Zhang
OBJECTIVE: To analyze the Bethesda System reporting rates, histological follow-up, and HPV genotypes distribution of abnormal cytology in Anhui province of China. METHODS: According to the Bethesda Reporting System of Cervical Cytology (2014), a retrospective analysis of the cervical liquid-based cytology (LBC) results, abnormal cytology with concurrent HPV genotype testing, and immediate histological follow-up. HPV genotype testing was performed for 15 High-risk types and 6 Low-risk types...
April 28, 2023: Diagnostic Cytopathology
Seyed Amin Hojat, Nakul A Ravish, Gissou Azabdaftari, Zhongbo Yang
BACKGROUND: Image-guided fine needle aspirations (FNAs) and core needle biopsies (CNBs) play the critical role in diagnosis of renal lesions. Rapid on-site evaluation (ROSE) can potentially increase the adequacy rate and improve diagnostic yield, while providing additional information for rapid clinical decisions. The aim of this study is to evaluate the diagnostic utility of ROSE in obtaining adequate tissue for diagnosis of renal lesions in our institution. METHODS: We retrospectively reviewed all percutaneous renal CNB cases with available ROSE interpretations for a 11-year period...
April 25, 2023: Diagnostic Cytopathology
Farah Baban, Justin W Koepplin, Muhammad Ahmad, Anna-Lee Clarke-Brodber, Melanie C Bois, Christopher P Hartley, Charles D Sturgis
INTRODUCTION: In evaluating malignant pleural fluid cytology, metastatic adenocarcinomas and mesotheliomas are often differential diagnoses. GATA binding protein 3 (GATA3) has historically been used to confirm metastatic breast carcinomas; however, GATA3 has low specificity if mesothelioma is included in differential diagnoses. Trichorhinophalangeal syndrome type 1 (TRPS1) protein is expressed in all types of breast carcinomas, with reported high specificity and sensitivity. We investigated the performance of TRPS1 immunohistochemistry (IHC) and compared it to GATA3 in pleural fluids diagnosed with metastatic breast carcinoma and mesothelioma...
April 25, 2023: Diagnostic Cytopathology
S Nicholas Agoff, Amy D Brockmeyer, Allison M Barrie, Julie Larson
BACKGROUND: High-risk human papillomavirus (hrHPV) testing has become integral in the screening and treatment protocols for cervical neoplasia. Stand-alone HPV testing is advocated as a screening tool for cervical neoplasia. However, negative hrHPV tests with diagnosis of high-grade squamous intraepithelial lesion or worse (≥HSIL) have been reported. We report our experience with paps diagnosed as HSIL, negative hrHPV testing, and subsequent follow-up. METHODS: Of 303 women with HSIL diagnosed on ThinPrep pap between 2019 and 2023, 84 (28%) were tested for hrHPV by Roche Cobas...
April 22, 2023: Diagnostic Cytopathology
Tamiko Nagai, Kazuyuki Ishida, Hiromi Machida, Atsuko Takada-Owada, Masato Onozaki, Shuhei Noda, Yumi Nozawa, Mina Takaoka, Fumi Sakuma, Taku Aoki, Atsushi Irisawa
BACKGROUND: The purpose of this study was to clarify the role of cytology when using endoscopic ultrasound-guided fine needle aspiration or biopsy (EUS-FNA/FNB) for pancreatic lesions by comparison with histology, and also to examine differences in diagnostic accuracy depending on the puncture route and sample acquisition method. METHODS: We studied 146 cases in which cytology and histology were performed when undertaking pancreatic EUS-FNA/FNB and the final histological diagnosis was obtained from surgically resected samples...
April 20, 2023: Diagnostic Cytopathology
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