The Casoni test is a skin test used in the diagnosis of hydatid disease. It is also used rarely in the treatment of hydatid disease. He is also noted for his treatment of hydatid cysts. It settles there and turns into a bladder-like structure called hydatid cyst. Treating hydatid disease can also unmask undiagnosed neurocysticercosis. Hydatid fremitus is a vibratory sensation felt on palpating a hydatid cyst. Here, the larvae are trapped and usually develop into hydatid cysts. An example is either cysticercoid, cysticercus, or a hydatid cyst. It is characterized by the presence of a hydatidiform mole (or hydatid mole, mola hydatidosa). This can result in echinococcosis, also called hydatid disease. He likewise passed an act of parliament to safeguard New Zealand's livestock against Hydatid disease. In May 1668, Ashley became ill, apparently with a hydatid cyst. Treating cystadenomas as hydatid cyst has resulted in recurrence of the cyst. It can take various forms, for example, the hydatid cyst, strobilocercus, cysticercus or cysticercoid.