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1.
Histopathology ; 64(2): 293-305, 2014 Jan.
Article in English | MEDLINE | ID: mdl-24330150

ABSTRACT

AIMS: Immunohistochemistry plays a pivotal role in cancer differential diagnostics. To identify the primary tumour from a metastasis specimen remains a significant challenge, despite the availability of an increasing number of antibodies. The aim of the present study was to provide evidence-based data on the diagnostic power of antibodies used frequently for clinical differential diagnostics. METHODS AND RESULTS: A tissue microarray cohort comprising 940 tumour samples, of which 502 were metastatic lesions, representing tumours from 18 different organs and four non-localized cancer types, was analysed using immunohistochemistry with 27 well-established antibodies used in clinical differential diagnostics. Few antibodies, e.g. prostate-specific antigen and thyroglobulin, showed a cancer type-related sensitivity and specificity of more than 95%. A majority of the antibodies showed a low degree of sensitivity and specificity for defined cancer types. Combinations of antibodies provided limited added value for differential diagnostics of cancer types. CONCLUSIONS: The results from analysing 27 diagnostic antibodies on consecutive sections of 940 defined tumours provide a unique repository of data that can empower a more optimal use of clinical immunohistochemistry. Our results highlight the benefit of immunohistochemistry and the unmet need for novel markers to improve differential diagnostics of cancer.


Subject(s)
Antibodies , Biomarkers, Tumor/analysis , Neoplasms/diagnosis , Humans , Immunohistochemistry , Sensitivity and Specificity
2.
J Obstet Gynaecol Res ; 39(10): 1484-7, 2013 Oct.
Article in English | MEDLINE | ID: mdl-23855432

ABSTRACT

We report a case of a 6-year-old girl with primary Burkitt's lymphoma (BL) of endometrium and bilateral ovaries of 1-month duration. To the best of our knowledge, few cases of childhood primary BL of bilateral ovaries have been reported worldwide. However, extensive search of the published work did not reveal any case of primary BL of endometrium and both ovaries. Although rare, BL is a potentially curable malignancy with good prognosis.


Subject(s)
Burkitt Lymphoma/pathology , Endometrial Neoplasms/pathology , Ovarian Neoplasms/pathology , Ovary/pathology , Uterus/pathology , Child , Female , Humans
3.
J Obstet Gynaecol Res ; 38(4): 724-8, 2012 Apr.
Article in English | MEDLINE | ID: mdl-22413810

ABSTRACT

Adenomyoma is a benign tumor composed of endometrial glands, specialized endometrioid stroma, and smooth muscle. These tumors typically originate within the uterus. An extrauterine adenomyoma is an extremely rare entity. We present the case of a 56-year-old perimenopausal woman with a right adnexal mass, diagnosed histopathologically as an ovarian ligament adenomyoma. This report documents a fourth case of an extrauterine adenomyoma and only the second case in ovarian ligament. The differential diagnosis includes endometrioma, leiomyomatosis peritonealis disseminata, uterus-like mass lesion and extrauterine leiomyoma with entrapped endometrioid glands and stroma. Two theories for the etiology of adenomyoma have been proposed: (i) Müllerian duct fusion defect and (ii) metaplasia.


Subject(s)
Adenomyoma/pathology , Ovarian Neoplasms/pathology , Adenomyoma/diagnosis , Adult , Aged , Diagnosis, Differential , Female , Humans , Middle Aged , Ovarian Neoplasms/diagnosis
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