Direct intrauterine sampling: The IUMC endometrial sampler

Tao, Liang-Che

doi:10.1002/(sici)1097-0339(199708)17:2<153::aid-dc13>3.0.co;2-f

Cited by 25 publications

(29 citation statements)

References 11 publications

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“…The Tao Brush was introduced in 1993 and approved by the Food and Drug Administration for general medical use (Tao 1997) (Fig. 2a).…”

Section: Resultsmentioning

confidence: 99%

Endometrial sampling devices for early diagnosis of endometrial lesions

Li²,

et al. 2016

J Cancer Res Clin Oncol

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PurposeEndometrial carcinoma is the most common gynecologic malignancy in both developed and some developing countries. Unlike cervical cancer, for which there is routine screening, only patients symptomatic for endometrial carcinoma typically seek medical help for its diagnosis and treatment. Dilatation and curettage (D&C) has been the standard procedure for evaluating suspicious endometrial lesions. The discomfort and injury caused by the D&C procedure, however, restrict its use as a screening method for early diagnosis of endometrial lesions. High-risk endometrial cancer patients would benefit from an effective and low-cost screening test. In recent years, several endometrial devices have been developed and proposed as screening tools.MethodsWe have reviewed and evaluated the literature relating to the endometrial sampling devices in clinical use or clinical trials, with the goal of comparing devices and identifying the most appropriate ones for screening for endometrial lesions. Eligible literature was identified from systematic PubMed searches, and the relevant data were extracted. Comments, letters, unpublished data, conference proceedings, and case reports were excluded from our search. Seventy-four articles on endometrial sampling devices were obtained for this review.ResultsThe main screening devices for endometrial carcinoma are aspiration devices (such as the Vabra aspirator), Pipelle, Tao Brush, and SAP-1 device. Among these devices, the Tao Brush is the most promising endometrial sampler for screening for endometrial lesions. However, its sampling insufficiency, cost, and unsuccessful insertion rate (20 % in nulliparous and 8 % in parous women) are problematic.ConclusionsA more accurate and low-cost endometrial sampler, with improved specimen sufficiency and higher sensitivity for endometrial lesions, needs tobe developed and clinically verified.

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“…The Tao Brush was introduced in 1993 and approved by the Food and Drug Administration for general medical use (Tao 1997) (Fig. 2a).…”

Section: Resultsmentioning

confidence: 99%

Endometrial sampling devices for early diagnosis of endometrial lesions

Li²,

et al. 2016

J Cancer Res Clin Oncol

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“…During the recent decades, a variety of endometrial sampling devices have been used, with distinct advantages and disadvantages. 6 It has been proved that endometrial sampling is a well-tolerated, inexpensive procedure for obtaining information about the endometrium. 6,11 Previous studies have shown that the sensitivity and the specificity of various endometrial devices range from 50 to 100% and from 85 to 100%, respectively.…”

Section: Discussionmentioning

confidence: 99%

“…6 It has been proved that endometrial sampling is a well-tolerated, inexpensive procedure for obtaining information about the endometrium. 6,11 Previous studies have shown that the sensitivity and the specificity of various endometrial devices range from 50 to 100% and from 85 to 100%, respectively. 10,[12][13][14] However, cytological investigation of the endometrial cavity is not accepted worldwide as a method for the mass screening of the female population.…”

Section: Discussionmentioning

confidence: 99%

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The role of liquid‐based cytology associated with curettage in the investigation of endometrial lesions from postmenopausal women

et al. 2005

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“…It also provides information about the endometrial phase, and has the potential to be used as a screening device for patients at high risk. [1][2][3][4] We planned a study to determine the accuracy of endometrial brush cytology processed by the ThinPrep method. The preliminary results are presented here.Endometrial samples were collected from 35 consecutive hysterectomy specimens by using the Tao brush.…”

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confidence: 99%

Liquid‐based endometrial cytology: Endometrial sample collection by using Tao brush

Firat

Mocan

Kapucuoğlu

2002

Diagnostic Cytopathology

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Cytologic examination is not a widely accepted method for the detection of endometrial lesions. Cervical smears may provide useful information about the endometrium in some cases; however, it is not a sensitive test, and differentiating abnormal endometrial cells from normal cells in a cervical smear is not always possible. On the other hand, direct intrauterine sampling by using the Tao brush (Cook Ob/Gyn, Spencer, IN) was introduced as a reliable method for detecting endometrial abnormalities. The main purpose of endometrial brush cytology is to diagnose endometrial hyperplasias and carcinomas. It also provides information about the endometrial phase, and has the potential to be used as a screening device for patients at high risk. [1][2][3][4] We planned a study to determine the accuracy of endometrial brush cytology processed by the ThinPrep method. The preliminary results are presented here.Endometrial samples were collected from 35 consecutive hysterectomy specimens by using the Tao brush. The brush, covered with the outer sheet, was inserted to the level of the fundus, and the outer sheet was pulled back. The brush was rotated 360°, the outer sheet was pushed back to the tip, and the device was removed. After pulling back the outer sheet, the brush was immersed into 20 ml of PreservCyt solution. The sheet was moved up and down in order to expose the adherent cells and tissue fragments to the solution. Slides were prepared from vials using the ThinPrep 2000 (Cytyc Corp.) automated slide preparation system and stained by the Papanicolaou method. Cytologic features were evaluated according to the previously described criteria of Tao. 4,5 The slides were interpreted without knowing the final histologic diagnosis, and the results were compared.The cytologic diagnosis was proliferative endometrium in 11 cases; all were confirmed by histology except one, which was a secretory endometrium. Seven cases were classified as secretory endometrium by cytology; the histologic diagnosis was also secretory endometrium in all of them. Cytologic findings were interpreted as atrophic in 12 cases: 1 was misclassified (the histologic diagnosis was proliferative endometrium), 3 showed basal endometrium in hysterectomy specimens, and in the other 8 cases, the cytologic diagnosis was confirmed by histology. Three cases represented cycling endometrium; however, they could not be classified as either proliferative or secretory. The final histologic diagnosis was proliferative in one case, and secretory in the others. Cytologic material was inadequate for interpretation in 2 cases (Table I).Straight tubules with nuclear crowding and overlapping characterized the proliferative phase. Glandular cells showed scant cytoplasm and ovoid nuclei, with relatively dense chromatin (Fig. 1). In the samples of the secretory phase, flat sheets were more common than tubules. The nuclei of glandular cells were larger and rounded, with fine chromatin and small nucleoli. They had moderate amounts of cytoplasm, with prominent perinuclear clearing. No o...

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Direct intrauterine sampling: The IUMC endometrial sampler

Cited by 25 publications

References 11 publications

Endometrial sampling devices for early diagnosis of endometrial lesions

Endometrial sampling devices for early diagnosis of endometrial lesions

The role of liquid‐based cytology associated with curettage in the investigation of endometrial lesions from postmenopausal women

Liquid‐based endometrial cytology: Endometrial sample collection by using Tao brush

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