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Jiménez-Heffernan JA, Rodríguez-García AM, Cima L, Gordillo CH, López-Ferrer P, Vicandi B. A comprehensive review of the "tigroid" background cytological concept: what, when, where and why? Pathologica 2022; 114:121-127. [PMID: 35481562 PMCID: PMC9248253 DOI: 10.32074/1591-951x-287] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/20/2021] [Indexed: 11/30/2022] Open
Abstract
The concept of “tigroid” background is used in cytology to describe a peculiar smear background characterized by the presence of a relatively granular, reticulated material that was described as “foamy, lazy, tiger-striped or astrakhan”. It was used to describe the background seen in smears obtained from seminoma. In addition to seminoma, we now know that it can be present in different tumours, mostly carcinomas and round cell sarcomas. These share with seminoma a cytoplasm with high glycogen content and many times clear cell morphology. The “tigroid” background is seen when smears are air-dried and Romanowsky-based stains are used (May-Grunwald-Giemsa and Diff-Quik stains). It is only seen in fine needle aspiration or intraoperative squashing or scrapping samples, but not in specimens obtained from effusions or liquid-based cytology. Wet-fixed cytologic samples with alcohol or with formaldehyde tend to dissolve the background so it is not usually present in Papanicolaou stained smears. In this review, we discuss tumours in which the “tigroid” background is observed and its potential diagnostic utility and aetiology. It is interesting to remark that except for parathyroid adenoma and adenomatoid tumour all the neoplasms in which this background has been observed are malignant.
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Affiliation(s)
| | | | - Luca Cima
- Pathology Unit, Department of Clinical Services, Santa Chiara Hospital, Trento, Italy
| | - Carlos H Gordillo
- Departments of Pathology, University Hospital La Princesa, Madrid, Spain
| | | | - Blanca Vicandi
- Department of Pathology, University Hospital La Paz, Madrid, Spain
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Gupta P, Gupta N, Dey P, Bagga R, Jain V, Suri V. Cervical cytology in the detection of uterine clear cell carcinoma: Diagnostic predictors from a case-control study. Cytopathology 2021; 33:236-248. [PMID: 34619807 DOI: 10.1111/cyt.13066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 09/21/2021] [Accepted: 10/01/2021] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Uterine clear cell adenocarcinoma (CCC) is a rare, aggressive malignancy with poor prognosis. The present study aimed to identify and describe its characteristic morphological features in cervical cytology. METHODS This was a 3-year retrospective case-control study. Cases included cervical samples of histopathologically proven endometrial and cervical CCC. Controls included cervical samples of histopathologically proven endometrial serous carcinoma (n = 15), endometrioid adenocarcinoma (n = 20), and endocervical adenocarcinoma (n = 15). Twenty-eight cytomorphological features were evaluated; the strength of association was determined by odds ratio (OR) and Cramer's V, and the diagnostic accuracy of statistically significant features was assessed. RESULTS Cases consisted of histopathologically proven 25 (34.7%) endometrial and 13 (18.0%) cervical CCC. Corresponding cervical samples were available for a total of 14 (36.8%) patients, of which 13 (92.8%) were positive for epithelial cell abnormality. On univariate analysis, three cytomorphological variables were significant predictors of uterine CCC: presence of dense cytoplasm (OR = 88; V = 0.72), deep nuclear membrane irregularities (OR = 17.5; V = 0.55), and coarse chromatin (OR = 21.3; V = 0.46). Dense cytoplasm had the highest positive predictive value (92%) and high specificity (97.8%), whereas coarse chromatin had the highest sensitivity (92.3%) and negative predictive value (96.7%). CONCLUSIONS The presence of dense cytoplasm and deep nuclear membrane irregularities in the tumour cells were strong predictors, and coarse chromatin a moderate predictor, of uterine CCC compared to its close cytological mimics.
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Affiliation(s)
- Parikshaa Gupta
- Department of Cytology and Gynecologic Pathology, PGIMER, Chandigarh, India
| | - Nalini Gupta
- Department of Cytology and Gynecologic Pathology, PGIMER, Chandigarh, India
| | - Pranab Dey
- Department of Cytology and Gynecologic Pathology, PGIMER, Chandigarh, India
| | - Rashmi Bagga
- Department of Obstetrics and Gynecology, PGIMER, Chandigarh, India
| | - Vanita Jain
- Department of Obstetrics and Gynecology, PGIMER, Chandigarh, India
| | - Vanita Suri
- Department of Obstetrics and Gynecology, PGIMER, Chandigarh, India
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Rekhi B, Deodhar K, Gulia S, Bajpai J. Raspberry bodies and hyaline globules with positive napsin A immunoexpression are useful features in diagnosing clear cell carcinoma of the female genital tract in cytology samples. Cytopathology 2018; 29:600-602. [PMID: 29956857 DOI: 10.1111/cyt.12607] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Bharat Rekhi
- Department of Surgical Pathology, Tata Memorial Hospital, Mumbai, India
| | - Kedar Deodhar
- Department of Surgical Pathology, Tata Memorial Hospital, Mumbai, India
| | - Seema Gulia
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, India
| | - Jyoti Bajpai
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, India
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Shintaku M, Dohi M, Yamamoto Y, Nagai A, Higuchi T. Ovarian clear cell carcinoma with plasma cell-rich inflammatory stroma. Diagn Cytopathol 2016; 45:128-132. [DOI: 10.1002/dc.23609] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 08/09/2016] [Accepted: 08/30/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Masayuki Shintaku
- Department of Pathology; Shiga Medical Center for Adults; Moriyama Shiga 524-8524 Japan
| | - Makoto Dohi
- Department of Pathology; Shiga Medical Center for Adults; Moriyama Shiga 524-8524 Japan
| | - Yoshihiro Yamamoto
- Department of Pathology; Shiga Medical Center for Adults; Moriyama Shiga 524-8524 Japan
| | - Aya Nagai
- Department of Gynecology; Shiga Medical Center for Adults; Moriyama Shiga 524-8524 Japan
| | - Toshihiro Higuchi
- Department of Gynecology; Shiga Medical Center for Adults; Moriyama Shiga 524-8524 Japan
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Sakr H, Cruise M, Chahal P, Cotta C, Cook J, Chalikonda S, Rosenblatt S, Hamadeh F, Al-Nourhji O, Sturgis CD. Anaplastic lymphoma kinase positive large B-cell lymphoma: Literature review and report of an endoscopic fine needle aspiration case with tigroid backgrounds mimicking seminoma. Diagn Cytopathol 2016; 45:148-155. [PMID: 27686567 DOI: 10.1002/dc.23616] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 08/04/2016] [Accepted: 09/12/2016] [Indexed: 01/02/2023]
Abstract
Anaplastic lymphoma kinase-positive large B-cell lymphoma (ALK+ LBCL) is a rare distinct type of non-Hodgkin's lymphoma that arises in association with alterations of the ALK gene. This distinct disease entity is typically associated with an aggressive clinical course and appears in light microscopic preparations as a monomorphic population of large, immunoblast-like cells. In this report, we describe a case of ALK+ LBCL diagnosed by transgastric endoscopic ultrasound-guided fine needle aspiration (EUS FNA) of splenic hilar lymph nodes. Modified Giemsa stained direct smears from the FNA sample demonstrated large lesional cells with foamy cytoplasm and macronucleoli admixed with small lymphocytes in tigroid backgrounds, mimicking the cytologic appearance of seminoma. Ancillary immunohistochemical studies subsequently confirmed the diagnosis of ALK+ LBCL with the lesional cells being immunoreactive for CD138, VS38c, MUM1, ALK1, and lambda light chain. The cohesiveness of the cells, the cellular morphology, and the tigroid backgrounds were all pitfalls for accurate diagnosis of this rare specific type of lymphoid malignancy by cytology. To our knowledge this is the first case report detailing the diagnosis of ALK+ LBCL by EUS FNA and the first report describing a glycogen-rich tigroid background in direct FNA smears. Establishing a refined diagnosis in cases of this rare form of LBCL is necessary, as therapies targeting ALK may be of value in clinical management. Diagn. Cytopathol. 2017;45:148-155. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Hany Sakr
- Department of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio
| | - Michael Cruise
- Department of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio
| | - Prabhleen Chahal
- Department of Gastroenterology, Cleveland Clinic, Cleveland, Ohio
| | - Claudiu Cotta
- Department of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio
| | - James Cook
- Department of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio
| | | | | | - Fatima Hamadeh
- Department of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio
| | - Omar Al-Nourhji
- Department of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio
| | - Charles D Sturgis
- Department of Pathology and Laboratory Medicine, Cleveland Clinic, Cleveland, Ohio
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Yuan CT, Hsieh MS. Tigroid background in cytology of hyalinizing clear cell carcinoma of the salivary gland. Diagn Cytopathol 2015; 44:338-41. [DOI: 10.1002/dc.23423] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 11/25/2015] [Accepted: 12/09/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Chang-Tsu Yuan
- Department of Pathology; National Taiwan University Hospital; Taipei Taiwan
| | - Min-Shu Hsieh
- Department of Pathology; National Taiwan University Hospital; Taipei Taiwan
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Okadome M, Saito T, Nishiyama N, Ariyoshi K, Shimamoto K, Shimada T, Kodama K, Imamura S, Nishiyama KI, Taguchi K. Prediction of histological types of endometrial cancer by endometrial cytology. J Obstet Gynaecol Res 2014; 40:1931-9. [DOI: 10.1111/jog.12436] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Accepted: 02/23/2014] [Indexed: 11/30/2022]
Affiliation(s)
- Masao Okadome
- Gynecology Service; National Kyushu Cancer Center; Fukuoka Japan
| | - Toshiaki Saito
- Gynecology Service; National Kyushu Cancer Center; Fukuoka Japan
| | - Naoko Nishiyama
- Department of Pathology; National Kyushu Cancer Center; Fukuoka Japan
| | - Kazuya Ariyoshi
- Gynecology Service; National Kyushu Cancer Center; Fukuoka Japan
| | - Kumi Shimamoto
- Gynecology Service; National Kyushu Cancer Center; Fukuoka Japan
| | - Takako Shimada
- Gynecology Service; National Kyushu Cancer Center; Fukuoka Japan
| | - Keisuke Kodama
- Gynecology Service; National Kyushu Cancer Center; Fukuoka Japan
| | - Shogo Imamura
- Department of Pathology; National Kyushu Cancer Center; Fukuoka Japan
| | - Ken-ichi Nishiyama
- Department of Pathology; Japanese Red Cross Fukuoka Hospital; Fukuoka Japan
| | - Kenichi Taguchi
- Department of Pathology; National Kyushu Cancer Center; Fukuoka Japan
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Rodriguez EF, Monaco SE, Khalbuss W, Austin RM, Pantanowitz L. Abdominopelvic washings: A comprehensive review. Cytojournal 2013; 10:7. [PMID: 23858317 PMCID: PMC3709516 DOI: 10.4103/1742-6413.111080] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2013] [Accepted: 03/10/2013] [Indexed: 12/29/2022] Open
Abstract
Intraperitoneal spread may occur with gynecological epithelial neoplasms, as well as with non-gynecological malignancies, which may result in serosal involvement with or without concomitant effusion. Therefore, washings in patients with abdominopelvic tumors represent important specimens for cytologic examination. They are primarily utilized for staging ovarian cancers, although their role has decreased in staging of endometrial and cervical carcinoma. Abdominopelvic washings can be positive in a variety of pathologic conditions, including benign conditions, borderline neoplastic tumors, locally invasive tumors, or distant metastases. In a subset of cases, washings can be diagnostically challenging due to the presence of co-existing benign cells (e.g., mesothelial hyperplasia, endosalpingiosis, or endometriosis), lesions in which there is only minimal atypia (e.g., serous borderline tumors) or scant atypical cells, and the rarity of specific tumor types (e.g., mesothelioma). Ancillary studies including immunocytochemistry and fluorescence in situ hybridization may be required in difficult cases to resolve the diagnosis. This article provides a comprehensive and contemporary review of abdominopelvic washings in the evaluation of gynecologic and non-gynecologic tumors, including primary peritoneal and mesothelial entities.
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Affiliation(s)
- Erika F. Rodriguez
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Sara E. Monaco
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Walid Khalbuss
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - R. Marshall Austin
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Liron Pantanowitz
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Mettler TN, Manivel JC, Pambuccian SE. “Raspberry bodies,” extracellular hyaline globules and branching hyaline stromal fragments in a fine-needle aspirate of metastatic clear cell carcinoma of the ovary. Diagn Cytopathol 2012; 42:230-5. [DOI: 10.1002/dc.22926] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 08/09/2012] [Indexed: 11/05/2022]
Affiliation(s)
- Tetyana N. Mettler
- Department of Laboratory Medicine and Pathology; University of Minnesota Medical School; Minneapolis Minnesota
| | - J. Carlos Manivel
- Department of Laboratory Medicine and Pathology; University of Minnesota Medical School; Minneapolis Minnesota
| | - Stefan E. Pambuccian
- Department of Laboratory Medicine and Pathology; University of Minnesota Medical School; Minneapolis Minnesota
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Stone JL, Batty T, Nicklin J. Cervical perivascular epithelioid cell tumour (PEComa) of the uterine cervix: cytological findings in a cervical smear. Cytopathology 2012; 24:272-3. [DOI: 10.1111/j.1365-2303.2012.00989.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Xie L, Schmechel SC, Pambuccian SE. Tigroid background in an endoscopic ultrasound-guided fine-needle aspirate of a mediastinal lymph node metastasis of pulmonary squamous-cell carcinoma. Diagn Cytopathol 2011; 40:430-2. [PMID: 21472875 DOI: 10.1002/dc.21682] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2011] [Accepted: 02/06/2011] [Indexed: 11/08/2022]
Affiliation(s)
- Linjun Xie
- Department of Laboratory Medicine and Pathology, University of Minnesota Medical School, Fairview, Minneapolis, Minnesota, USA
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Krafts KP, Pambuccian SE. Romanowsky staining in cytopathology: history, advantages and limitations. Biotech Histochem 2011; 86:82-93. [DOI: 10.3109/10520295.2010.515492] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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Monaco SE, Schuchert MJ, Khalbuss WE. Diagnostic difficulties and pitfalls in rapid on-site evaluation of endobronchial ultrasound guided fine needle aspiration. Cytojournal 2010; 7:9. [PMID: 20607094 PMCID: PMC2895875 DOI: 10.4103/1742-6413.64385] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2010] [Accepted: 04/24/2010] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND One of the novel techniques utilizing fine needle aspiration (FNA) in the diagnosis of mediastinal and lung lesions is the endobronchial ultrasound (EBUS)-guided FNA. In this study, we describe five cases which had a discrepancy between on-site evaluation and final diagnosis, or a diagnostic dilemma when rendering the preliminary diagnosis, in order to illustrate some of the diagnostic difficulties and pitfalls that can occur in EBUS FNA. METHODS A total of five EBUS FNA cases from five patients were identified in our records with a discrepancy between the rapid on-site evaluation (ROSE) and final diagnosis, or that addressed a diagnostic dilemma. All of the cases had histological confirmation or follow-up. The cytomorphology in the direct smears, cell block, and immunohistochemical stains were reviewed, along with the clinical history and other available information. RESULTS Two cases were identified with a nondefinitive diagnosis at ROSE that were later diagnosed as malignant (metastatic signet-ring cell adenocarcinoma and metastatic renal cell carcinoma (RCC)) on the final cytological diagnosis. Three additional cases were identified with a ROSE and final diagnosis of malignant (large cell neuroendocrine carcinoma (LCNEC) and two squamous cell carcinomas), but raised important diagnostic dilemmas. These cases highlight the importance of recognizing discohesive malignant cells and bland neoplasms on EBUS FNA, which may lead to a negative or a nondefinitive preliminary diagnosis. Neuroendocrine tumors can also be difficult due to the wide range of entities in the differential diagnosis, including benign lymphocytes, lymphomas, small and nonsmall cell carcinomas, and the lack of immunohistochemical stains at the time of ROSE. Finally, the background material in EBUS FNAs may be misleading and unrelated to the cells of interest. CONCLUSIONS This study illustrates the cytomorphology of five EBUS FNA cases that address some of the diagnostic challenges witnessed while examining these specimens during ROSE. Many of the difficulties faced can be attributed to the baseline cellularity of the aspirates, the bronchial contamination, the difficulty identifying neoplasms with bland cytology, the wide spectrum of diseases that can occur in the mediastinum with overlapping cytomorphologic features, the mismatch between the background material and the cell populations present, and the overall unfamiliarity with these types of specimens.
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Affiliation(s)
- Sara E Monaco
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
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Stewart CJR, Brennan BA, Koay E, Naran A, Ruba S. Value of cytology in the intraoperative assessment of ovarian tumors. Cancer Cytopathol 2010; 118:127-36. [DOI: 10.1002/cncy.20073] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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