INTRODUCTION Simple renal cysts are mostly benign and asymptomatic disease and managed conservatively. Renal cell carcinomas (RCC) sometimes presents as a cystic tumor. At least 4-15 % of renal tumors encountered are cyst-associated renal cell carcinoma (CRCC). (1) Findings suggestive of malignancy in a renal cyst include thickened, irregular or smooth walls or septa, and enhancement after cont...

Although bone involvement associated with cyst hydatid is rarely seen, it can cause unintended results such as high recurrence rate, infection, sepsis, or amputation of relevant extremity. Because of this reason, its treatment is difficult and disputed. In the case of bifocal bone cyst hydatid in right femur, along with albendazole treatment, result of resecting cyst surgically and its treatmen...

Aneurysmal bone cyst is a benign tumor-like bone lesion. This report concerns a 43 year-old male patient diagnosed with a primary aneurysmal bone cyst of his right patella. His main presentation was anterior knee pain. The patient was treated with arthroscopic excisional biopsy of the cyst and curettage, followed by filling the cavity with bone cement at a second stage. During the 5-year follow...

In a recent communication Lichtenstein (1950) described in detail 8 cases of1 aneurysmal bone cysta new pathological entity. He and Jaffe first discovered the lesion in 1942 while reviewing their material pertaining to solitary unicamera bone cyst, and, between 1942 and 1948, they came across ' a dozen or more additional cases of the same lesion According to Lichtenstein, aneurysmal bone cyst i...

Maxillary bone epithelial cyst is rare in dogs. A 5-year-old, spayed female miniature schnauzer developed a swelling below the nasal canthus of left eye. Plain radiograph demonstrated a 1.5 cm diameter of radiolucent lesion on the maxillary bone anteroventral to the eye, and contrast dacryocystorhinography confirmed an obstructed nasolarcrimal duct. The swelling showed poor response to antibiot...

The aneurysmal bone cyst is a benign pseudotumor that often arises off the center of long bones metaphysis and which as it grows can blow out bone. most widespread etiopathogenic theory reaction process to venous malformation but neoplastic currently being discussed since discovery translocation t (16; 17) (q22; p13) recurrent in primary cysts. We report here case 26-year-old patient without me...

Cystic jaw bone lesions have been largely studied and discussed since the beginning of their recognition. Although many them already well-defined, some go on generating divergent opinions, such as lateral periodontal cyst (LP C) botryoid odontogenic (BOC). The objective this article is to report two cases unusual characteristics, one about a other cyst, presenting considerations clinical, radio...