Table 2. Conventional macroscopic and histological diagnostic criteria for the differential diagnosis of AE and CE [5].

	AE	CE
Macroscopic view	Multiple cysts	Solitary cyst
Histological view
- Laminated layer	Slender (<1 mm)	Thick (up to 3 mm)
- Necrosis	Abundant	Scarce
- Growth pattern	Tubular	Pseudocystic
- Encapsulation by host	Ill deliminated	Fibrous capsule