Giant Phyllodes Tumour in a Postmenopausal Woman: A Case Report

Phyllodes Tumours (PT) of the breast are uncommon fibroepithelial lesions accounting for less than 1% of breast tumours. These tumours commonly occur in females during the fourth and fifth decade of life. They have a morphological resemblance to the intra-canalicular fibroadenoma. Their median size is around 4 cm, however if the size is more than 10 cm it’s called a giant phyllodes tumour accounting to less than 10% of phyllodes tumours. Clinically and histologically, they are difficult to be differentiated from fibroadenoma and a wide local excision is the mainstay of treatment. Hereby, Authors are reporting a case of giant phyllodes tumour in a 56-year-old post-menopausal female patient. She presented with a lump of 27×20 cm of two years duration occupying the entire left breast. Since,the lump had rapidly increased in size in the last six months of presentation, a clinical diagnosis of giant phyllodes tumour with malignant transformation was the provisional diagnosis. She underwent simple mastectomy with split-thickness skin graft. The final histopathology was reported as borderline phyllodes tumour and the patient was on a regular follow-up since the last 10 months.