Table 1.

Management of hydatid cysts of the breast

Clinical findings	→Mammary nodule
	→Other symptoms: pain, nipple discharge, fever
Differential diagnosis	→Cyst
	→Fibroadenoma
	→Phyllodes tumor
	→Circumscribed carcinoma
Diagnostic methods	→Mammography
	→Ultrasonography
	→Anti-echinococcus serum immunoglobulin E
	→Fine-needle aspiration cytology
Sonographic classification [5]	→Type 1: pure fluid collection
	→Type 2: fluid collection with a split wall
	→Type 3: fluid collection with septa
	→Type 4: heterogeneous echo patterns
	→Type 5: reflecting thick walls
	→“congealed water sign” [6]
Fine-needle aspiration cytology findings	→Hooklets, laminated membrane and scolices
Therapeutic options	→Cystectomy
	→Observation (in older patients or in high surgical risk)