Journals / Turkish Journal of Hematology / 2018 / Cilt: 35 - Sayı: 1

Transformation of Mycosis Fungoides/Sezary Syndrome: Clinical Characteristics and Prognosis

Mikozis Fungoides/Sezary Sendromunda Transformasyon: Klinik Özellikler ve Prognoz

Pages
35–41
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Allo-HSCT may be an alternative option in patients with T-MF

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Transformed mycosis fungoides (T-MF) is a rare variant of MF with an aggressive course.
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Key Findings & Data:In this study, we aimed to describe characteristics of MF/Sezary syndrome (SS) patients with transformation.Materials and Methods: Patients diagnosed with T-MF among MF/SS patients between 2000 and 2014 in a tertiary single center were evaluated retrospectively.
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Conclusion & Impact:Allo-HSCT may be an alternative option in patients with T-MF
🔬Design:Research Article
📍Scope:2000 Verileri
⚙️Variables:Domain Parameters

Abstract

Objective: Transformed mycosis fungoides (T-MF) is a rare variant of MF with an aggressive course. In this study, we aimed to describe characteristics of MF/Sezary syndrome (SS) patients with transformation.Materials and Methods: Patients diagnosed with T-MF among MF/SS patients between 2000 and 2014 in a tertiary single center were evaluated retrospectively. Demographic data, clinical data, laboratory data, immunophenotype features, response to treatment, survival, and histopathologic features were analyzed.Results: Among 254 MF patients, 25 patients with T-MF were identified (10.2%) and included in the study. The male-to-female ratio was 2.6/1. The median time between MF diagnosis and transformation was 32 months . Nine (36%) patients were diagnosed initially with T-MF. Advanced disease stage and high serum lactate dehydrogenase (LDH) levels were indicators of poor prognosis and treatment response. Five of the 18 patients with progressive disease had undergone allogeneic hematopoietic stem cell transplantation (allo-HSCT). Allo-HSCT resulted in complete remission in three (60%) patients. Ten (40%) patients died as a result of disease progression. Mean survival time was 25.2±14.9 months after transformation.Conclusion: Advanced stage, high serum LDH levels, and loss of CD26 and CD7 expression in the peripheral blood are poor rognostic factors in T-MF. Treatment-resistant tumors and nodules should be cautionary for T-MF. Patients with T-MF have a shortened survival. Some patients may respond to first-line treatments. However, the majority of patients who do not respond to first-line therapies also are unresponsive to second or third-line therapies. Allo-HSCT may be an alternative option in patients with T-MF

Özet

Amaç: Transforme mikozis fungoides (T-MF) MF nadir görülen agresif seyirli bir alt tipidir. Bu çalışmada transformasyon gelişen MF/Sezary sendromu (SS) hastalarının klinik ve laboratuvar özelliklerinin değerlendirilmesi amaçlanmıştır.Gereç ve Yöntemler: Bu çalışmada tek bir referans merkezde 20002014 yılları arasında takip edilen MF/SS hastaları arasından T-MF geliştirenler retrospektif olarak değerlendirilmiştir. Demografik, klinik ve laboratuvar veriler, immünfenotiplendirme, tedavi yanıtları, histopatolojik özellikler ve sağkalım analiz edilmiştir.Bulgular: Takip edilen 254 MF hastası içerisinde 25 T-MF saptanarak (%10,2) çalışmaya dahil edilmiştir. Erkek kadın oranı 2,6/1'dir. MF tanısı ile T-MF tanısı arasında geçen sürenin medianı 32 ay olarak tespit edilmiştir . Dokuz hastada (%36) tanı anında transformasyon bulunmaktadır. İleri hastalık evresi ve yüksek serum laktat dehidrogenaz (LDH) düzeyleri kötü prognoz ve tedavi yanıtı göstergesi olarak saptanmıştır. Tedaviye dirençli 18 ileri evre hastadan beşine allojenik hematopoetik kök hücre transplantasyonu (allo-HKHT) yapılmıştır. Bunlardan üçünde tam remisyon sağlanmıştır. İzlemde toplam 10 hasta hastalık progresyonu nedeniyle kaybedilmiştir. T-MF sonrası ortalama sağkalım 25,2±14,9 aydır.Sonuç: İleri hastalık evresi, yüksek LDH düzeyi, perifer kan T hücrelerde CD26 ve CD7 kaybı kötü prognoz belirteçlerindendir. Tedaviye dirençli nodül ve tümörler T-MF açısından şüphe uyandırmalıdır. T-MF'de sağkalım kısalmıştır. Bazı hastalarda birinci basamak tedavilere iyi yanıt alınabilmektedir. Ancak birinci basamak tedavilere yanıtsız hastalar genellikle ikinci ve üçüncü basamak tedavilere de direnç gösterebilmektedir. Allo-HKHT, T-MF hastalarında alternatif bir tedavi yöntemi olarak kullanılabilir

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Cite This Article

VURAL, S., AKAY, B. N., BOTSALI, A., ATİLLA, E., PARLAK, N., HEPER, A. O., ŞANLI, H. (2018). Transformation of Mycosis Fungoides/Sezary Syndrome: Clinical Characteristics and Prognosis. Turkish Journal of Hematology, Cilt: 35 - Sayı: 1, 35–41. https://ajindex.com/articles/412737

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