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Objective: Vulvar cancer is a rare disease, with an incidence of 0.6% of all female malignancies. With the advances in management of carcinoma vulva to individualisation of treatment to reduce the psychosexual impact an aggressive treatment can have, it is imperative to understand the patterns of recurrence and the common prognostic factors involved. The aim of this study was to determine prognostic variables for recurrence and survival and to identify patterns of recurrence in patients with vulvar cancer.  Materials and Methods: All patients (n=87) with primary vulvar cancer treated at the Rajiv Gandhi Cancer Institute between January, 2006 to January, 2015 who underwent surgery were retrospectively analysed regarding the prognostic relevance of different clinicopathological variables. Recurrences were evaluated with regard to their characteristics and localisation and the variables associated with them were analyzed.  Results: Age, stage of tumor, size of tumor, location of tumor (central or lateral), lymph node metastasis, depth of invasion and involvement of resection margins, associated intraepithelial abnormality predicted disease-free and overall survival. In multivariate analysis, lymph node status and positive margin status was the most important independent prognostic factor (p = 0.002). Irrespective of the initial nodal involvement, recurrences occurred primarily in the vulvar region.  Conclusion: Inguinofemoral lymph node status and adequate margins at initial diagnosis is of critical prognostic importance for patients with vulvar cancer. Further tumour biological characteristics need to be identified to stratify patients with nodal involvement for adjuvant radiotherapy of the vulva to prevent local recurrences.

Vulvar cancer: Patterns of recurrence and clinicopathological prognostic factors involved in recurrent cases