Indian Journal of Dermatology
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EPIDEMIOLOGY ROUND
Year : 2009  |  Volume : 54  |  Issue : 4  |  Page : 342-346

Recurrence pattern in squamous cell carcinoma of skin of lower extremities and abdominal wall (Kangri cancer) in Kashmir valley of Indian subcontinent: Impact of various treatment modalities


1 Department of Radiation Oncology, SKIMS, Soura, Srinagar - 190 011, Kashmir, India
2 Department of Plastic & Reconstructive Surgery, SKIMS, Soura, Srinagar - 190 011, Kashmir, India

Correspondence Address:
Mohmad Ashraf Teli
Department of Radiation Oncology, SKIMS, Soura, Srinagar - 190 011, Kashmir
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5154.57610

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Background: The spectrum of skin cancer in Kashmir valley is drastically different from the rest of the country. Maxwell was the first to report skin cancer of lower extremities in Kashmiri population, developing on/over erythema ab igne, and attributed it to the use/or exposure of Kangri. These tumors have an aggressive biological behavior with a substantial risk of loco-regional metastasis in 30-50% cases.Because of unique geographical distribution of Kangri cancer, there is dearth of literature regarding the natural history, loco-regional and distant metastatic pattern and treatment recommendations in these tumors. Aims: To study the metastatic pattern of these skin tumors and to assess the impact of various treatment modalities and use of prophylactic nodal treatment in this clinical entity. Methods: The retrospective study (study period 1993-2005) included 266 patients of squamous cell carcinoma of skin of lower extremities and abdominal wall. Two hundred and forty-four cases with a follow-up of 2-7 years were included for final analysis with stress on loco-regional relapse pattern and methods of treatment evolved and used at our institute from time to time. Statistical analysis was done using yates corrected Chi-square test and odds ratio analysis. Results: Our results favor the use of post operative radiotherapy to primary and prophylactic treatment of regional nodes on the lines of head and neck tumors in these cases. Conclusion: Post operative radiotherapy significantly decreases the loco-regional recurrences and a trial of prophylactic nodal irradiation is justified in a selected group of such patients.


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