Journals / Çukurova Anestezi ve Cerrahi Bilimler Dergisi / 2026 / Cilt: 9 Sayı: 3

Clinicopathological Features of Syringocystadenoma Papilliferum and Its Malignant Counterpart: A Single-Center Experience

Siringokistadenoma Papilliferum ve Malign Karşıtının Klinikopatolojik Özellikleri: Tek Merkez Deneyimi

Deniz Bayçelebi(ONDOKUZ MAYIS ÜNİVERSİTESİ)0000-0002-1660-3629
Aslıhan Kamiltürk(ONDOKUZ MAYIS UNIVERSITY)0009-0001-1205-188X
Levent Yıldız(ONDOKUZ MAYIS UNIVERSITY)0000-0001-5516-7172
Pages
790–798
Publication Date
2026-09-30
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Keywords: Adnexal neoplasms, syringocystadenoma papilliferum, syringocystadenocarcinoma papilliferum

📌 3 Key Takeaways

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Objective & Hypothesis:Purpose: Syringocystadenoma papilliferum (SCAP) is a rare benign adnexal tumor with a distinctive histomorphology.
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Key Findings & Data:Materials and methods: A retrospective analysis of 11 SCAP cases and one SCACP case diagnosed over a 15-year period at a single institution was performed.
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Conclusion & Impact:Keywords: Adnexal neoplasms, syringocystadenoma papilliferum, syringocystadenocarcinoma papilliferum
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Adneksiyal neoplazm · siringokistadenoma papilliferum · siringokistadenokarsinoma papilliferum

Abstract

Purpose: Syringocystadenoma papilliferum (SCAP) is a rare benign adnexal tumor with a distinctive histomorphology. Occasionally, there is a diagnostic difficulty, especially in separating it from its malignant counterpart, syringocystadenocarcinoma papilliferum (SCACP). Our study was designed to assess the clinicopathological features of SCAP and to identify features that could help differentiate it from its malignant counterpart at the other end of the spectrum. Materials and methods: A retrospective analysis of 11 SCAP cases and one SCACP case diagnosed over a 15-year period at a single institution was performed. Clinical data and histopathological features were evaluated, and statistical analyses were conducted to assess associations between selected variables. Results: The cohort had a slight female predominance (54.5%) with a mean age of 46.5 years. The most common site was the scalp, with rare sites including the axilla and scrotum. All cases showed classic histological features of prominent papillary architecture and abundant plasma cell infiltrates. Endophytic growth was the predominant pattern (72.7%). Ulceration was observed in 4 cases, including the malignant case. Notably, benign cases exhibited up to 5 mitoses and minimal atypia in 45.5% of cases, with no significant correlation between mitotic activity and atypia. A case of SCACP was diagnosed based on infiltrative growth and atypia. Conclusion: Our study indicates that mitotic activity and mild atypia, by themselves, do not predict malignancy; infiltrative growth and other features of aggressive behavior need to be considered. Larger studies need to be designed to refine these criteria. Keywords: Adnexal neoplasms, syringocystadenoma papilliferum, syringocystadenocarcinoma papilliferum

Özet

Amaç: Siringokistadenoma papilliferum (SKAP), kendine özgü histomorfolojisi olan nadir görülen benign bir adneksiyal tümördür. Bazen, özellikle malign karşılığı olan siringokistadenokarsinoma papilliferum’dan (SKAKP) ayırt edilmesinde tanısal zorluklar yaşanmaktadır. Çalışmamız, SKAP'ın klinikopatolojik özelliklerini değerlendirmek ve spektrumun diğer ucundaki malign karşılığından ayırt edilmesine yardımcı olabilecek özellikleri belirlemek amacıyla tasarlanmıştır. Gereç ve Yöntem: Tek bir kurumda 15 yıllık bir dönemde tanı verilen 11 SKAP vakası ve bir SKAKP vakasının retrospektif analizi yapılmıştır. Klinik veriler ve histopatolojik özellikler değerlendirilmiş ve seçilen değişkenler arasındaki ilişkileri değerlendirmek için istatistiksel analizler yapılmıştır. Bulgular: Kohortta hafif bir kadın baskınlığı (%54,5) vardı ve ortalama yaş 46,5 yıldı. En sık görüldüğü lokalizasyon kafa derisiydi, nadir görülen bölgeler arasında koltuk altı ve skrotum vardı. Tüm vakalarda belirgin papiller mimari ve bol miktarda plazma hücresi infiltrasyonu gibi klasik histolojik özellikler görüldü. Endofitik büyüme baskındı (%72,7). Malign vaka da dahil olmak üzere 4 vakada ülserasyon gözlendi. Dikkat çekici olarak, SKAP vakalarının %45,5'inde 5'e kadar mitoz ve minimal atipi vardı ve mitotik aktivite ile atipi arasında anlamlı bir ilişki bulunmadı. SKAKP vakası, infiltratif büyüme ve atipiye dayanarak teşhis edildi. Sonuç: Çalışmamız, mitotik aktivite ve hafif atipinin tek başına maligniteyi öngörmediğini; özellikle infiltratif büyüme olmak üzere agresif davranış göstergesi olabilecek diğer özelliklerin birlikte dikkate alınması gerektiğini göstermektedir. Bu kriterleri iyileştirmek için daha büyük çalışmalar tasarlanmalıdır. Anahtar kelimeler: Adneksiyal neoplazm; siringokistadenoma papilliferum; siringokistadenokarsinoma papilliferum

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Cite This Article

Bayçelebi, D., Kamiltürk, A., Yıldız, L. (2026). Clinicopathological Features of Syringocystadenoma Papilliferum and Its Malignant Counterpart: A Single-Center Experience. Çukurova Anestezi ve Cerrahi Bilimler Dergisi, Cilt: 9 Sayı: 3, 790–798. https://doi.org/10.36516/jocass.1959398

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