Three Cysts in the Same Mandible, Not of Dental Origin. ? Solitary Cysts or Osteitis Fibrosa

The origin of lung cysts in childhood.

Since the early description of a lung cyst by Fontanus in 1638, many authors have thought these cases worthy of record, and their aetiology has often been the subject of speculation and controversy. Occasionally the indisputable evidence of a congenital origin is provided at necropsy on a stillborn foetus, but more often the authors' conclusion as to whether the disease is congenital or acquire...

Cysts of uveal origin in the vitreous.

CYSTS in the vitreous, originating from the uvea, are very rare; they may be divided into congenital, traumatic, neoplastic, degenerative, and inflammatory. Being usually transparent, they do not impair vision and are often only discovered accidentally in the course of a routine examination. They are generally unilateral, but Vennin (1910), Litinsky (1931), Perera (1936), and some other authors...

Origin of orbital blood cysts.

The origin of blood cysts as presented in the ophthalmic literature may be summarized as follows: (i) Blood cysts without epithelial or endothelial lining most probably result from the I937; Svoboda, I948). The orbital haematoma may result from trauma, blood disease, or strain that increases the pressure in the jugular veins. As there are no valves in these veins, this unobstructed pressure is ...

Mediastinal cysts of bronchial origin.

Congenital cystic disease of the lungs has already been widely studied and described. In 1936 Schenck reviewed the literature up to that date. He says: "That pulmonary cystic disease is due to a developmental error or anomaly is now generally admitted, although many factors in the precise mechanism of its genesis are still unknown. The cyst wall may have the characteristics of bronchi, bronchio...

Two Cysts of Unusual Origin