Giant Malignant Phyllodes Tumour of Breast

Table 1

Criteria used to classify histological types as proposed by Azzopardi [7] and Salvadori et al. [8].

Category	Benign	Borderline	Malignant
Tumour margins	Pushing		Infiltrative
Stroma cellularity	Low	Moderate	High
Mitotic rate; (per 10 hpf)	<5	5–9	>10
Pleomorphism	Mild	Moderate	Severe

hpf: high power field.