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Permanent URI for this collectionhttps://hdl.handle.net/11443/932

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Subject: search.filters.subject.Lymphoma

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    Primary extranodal lymphoma of the glands. Literature review and options for best practice in 2019
    (ELSEVIER SCIENCE INC, 2019-01-01) Belkacemi, Yazid; Sio, Terence T.; Colson-Durand, Laurianne; Onal, Cem; Villa, Salvador; Anacak, Yavuz; Krengli, Marco; Thariat, Juliette; Ugurluer, Gamze; Miller, Robert C.; Mirimanoff, Rene-Olivier; Ozsahin, Mahmut; To, Nhu Hanh
    Primary extranodal non-Hodgkin's lymphomas (EN-NHL) are a heterogeneous group of malignancies that involve numerous entities with significant difference in terms of tumor site locations, prognostic factors, biology expression, and therapeutic options. In the literature, many EN-NHL types were reported from limited series which only allowed narrow views for elucidating prognostic factors and defining the role of loco-regional therapies in the era of new systemic and biologically targeted therapies. The Rare Cancer Network (RCN), an international multidisciplinary consortium, has published a number of reports on several EN-NHL sites which included many gland locations. In this review, we will focus on the recent literature for a selected number of EN-NHL types in both exocrine and endocrine gland locations. We aim to provide renewed and clear messages for the best practice in 2019 for diagnosis, histopathology, treatments, and also their prognostic implications. We believe that better understanding of molecular and genetic characteristics of these particular diseases is crucial for an appropriate management in the era of personalized treatment developments.
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    Prevalence and diagnostic challenges of thyroid lymphoma: a multi-institutional study in non-Western countries
    (JAPAN ENDOCRINE SOC, 2020-01-01) Hirokawa, Mitsuyoshi; Suzuki, Ayana; Hashimoto, Yuko; Satoh, Shinya; Canberk, Sule; Jhuang, Jie Yang; Jung, Chan Kwon; Tangnuntachai, Nichthida; Kovacevic, Bozidar; Zhu, Yun; Agarwal, Shipra; Kakudo, Kennichi
    Research on the primary thyroid lymphoma (PTL) diagnosis is limited, with only a few large sample size studies, reported from Asian countries. The aim of the present study was to clarify the current prevalence and challenges in PTL diagnosis, and recommended ancillary studies for PTL in non-Western countries. PTL (n = 153) cases were retrieved from 10 institutions in non-Western countries and analyzed. Ultrasound examination (UE) and fine needle aspiration cytology (FNAC) were used as main preoperative diagnostic tools in all participating institutions. Flow cytometry (FCM) was performed in the 5 institutions (50\%). Lobectomy was the most common histological procedure to confirm the PTL diagnosis. All institutions routinely performed immuno-histochemical analysis. PTL was 0.54\% of malignant thyroid tumor cases, with mucosaassociated lymphoid tissue lymphoma (MALTL) and diffuse large B-cell lymphoma (DLBCL) being 54.9\% and 38.6\%, respectively. Kuma Hospital, where the frequency of MALTL was highest (83.7\%), routinely performed FCM using the materials obtained by FNAC. UE and FNAC sensitivities were 62.5\% and 57.8\%, respectively. In both UE and FNAC, sensitivity of MALTL was lower than of DLBCL. The study elucidated that the prevalence of PTL in non-Western countries was lower than previously reported. We propose that FCM should be more actively used to improve the preoperative diagnosis of MALTL. Our data predicted that the MALTL proportion will increase with improved diagnostic tools, while observation of PTL-suspected nodules without histological examination remains a viable option.
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    Two Clinically Unusual Cases of Folliculotropic Mycosis Fungoides: One with and the Other without Syringotropism
    (KOREAN DERMATOLOGICAL ASSOC, 2014-01-01) Bakar, Ozgur; Seckin, Dilek; Demirkesen, Cuyan; Baykal, Can; Buyukbabani, Nesimi
    Mycosis fungoides is the most common form of cutaneous T-cell lymphoma, and it rarely exhibits predilection for hair follicle and eccrine gland infiltration. Here, we present 2 similar cases that display folliculotropism with varying amounts of follicular mucinosis, with and without syringotropism. The features observed in both cases were cystic, comedo-like, acneiform lesions