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Background: Malignant proliferating trichilemmal tumor (MPTT) is very rare malignant tumors of hair follicles derived from outer root sheath. This tumor is mostly located on the head and neck of elderly women. Regional or distant metastasis is possible. In this study, we present clinical features and treatment outcomes of cases diagnosed as MPTT. Furthermore, we aimed to emphasize a different clinical form of the tumor that can be misdiagnosed clinically. Patients and Methods: A retrospective evaluation of five cases operated between September 2009 and February 2017 Celal Bayar University Faculty of Medicine, Plastic Reconstructive and Aesthetic Surgery Department at were included in the study. Clinicopathological features of patients, type of surgery, and follow-up information were evaluated. Results: Four patients were female. Average age was 72.2. All of the lesions were located on the head and neck. All patients had a history of rapid growth of lesions. Patients were scanned with computed tomography. There was no metastasis at the time of diagnosis. None of the patients needed adjuvant therapy. Mean follow-up time was 11.8 months. None of the patients developed recurrence or metastasis. Conclusions: These tumors resemble basal cell or squamous cell carcinoma. Rapid progress of benign form of the tumor should address malignant transformation. There is no consensus about adjuvant therapy. Screening for metastasis and close follow-up are mandatory.

Amaç: Kesitsel tipteki çalışma Türk toplumunda çalışan gençlerde çalışmayan gençlere göre sigara içmenin daha yaygın olup olmadığını değerlendirmek amacıyla yürütülmüştür. Yöntem: Çalışan gençleri temsilen Kasım 2008’da Çıraklık Eğitim Okulu’na devam eden toplam 1011 öğrenciden 750’si (%74.1); çalışmayan gençleri temsilen Mayıs 2008’de üç farklı liseye devam eden 1937 gençten 1687’si (%87.1) araştırma grubunu oluşturmuştur. Veriler öğrencilerin doldurduğu anketlerle toplanmıştır. Çözümlemede ki-kare testi, Fisher’in kesin ki-kare testi ve lojistik regresyon analizi kullanılmıştır. Bulgular: Kız öğrencilerde sigara içen gençlerin oranı lise ve çıraklık öğrencileri için sırasıyla şöyledir: 15 yaşta %4.89 ve %0.00, 16 yaşta %7.19 ve %21.05, 17 yaşta %7.63 ve %34.62, 18 yaşta %14.29 ve %33.33 ve 19-20 yaş grubunda %0.00 ve %30.00 (tüm yaşlar için pSonuç: Çalışan gençlerde sigara içme oldukça yaygındır. Sigaradan korunma konusunda yürütülecek sağlık eğitimi programlarında çalışan gençler öncelikli bir grup olarak ele alınmalıdır. Anahtar Kelimeler: sigara, düzenli sigara içicisi, düzenli çalışma, çıraklıkAbstractObjective: This cross sectional study was conducted to evaluate smoking prevalence among Turkish adolescents and its relation with working status. Methods: Study population was obtained from two previous researches and consisted of 750 students among the 1011 students attending the Apprenticeship Education School in November 2008 as the working group (%74.1); 1687 adolescents among the 1937 adolescents attending three different high schools in May 2008 (87.1%) as the non-working group. Data were collected using self-reported questionnaires. Chi square test, Fisher’s exact test, and logistic regression analyses were used. Results: Among working and non-working girls, smoking prevalences in different age groups were respectively 4.9% and 0.0% in 15 years, 7.2% and 21.0% in 16 years, 7.7% and 34.6% in 17 years, 0.0% and 30.0% in 18 years, 0.0% and 30.0% in 19-20 years age groups (pConclusions: Smoking is very common among regularly working adolescents. Regular worker adolescents should be given priority for health education programmes. Key Words: Smoking, regular smoking, regular working, apprenticeshipDOI: http://dx.doi.org/10.20518/thsd.51271