Papillomaviruses (PV) are double-stranded DNA viruses that can cause benignant and malignant tumors in amniotes. There are 13 types of bovine papillomavirus (BPV-1 to -13); they have been found in reproductive tissues and body fluids. Normally these viruses are detected in epithelial tissue. We looked for BPV in the blood of healthy cattle and cattle with papillomatosis, using PCR and RT-PCR. B...

BACKGROUND Recurrent laryngeal papillomatosis is caused by the human papilloma virus and characterized by multiple exophytic lesions of the vocal tract; it is a benign disease, but one that tends to recur after removal of growths. Due to the nature of the disease, alternative treatment strategies have focused on antiviral injection at lesion sites that eliminate repeated surgical procedures. Th...

T h e infect ious na tu r e of c an ine oral papil loma tos i s was descr ibed by P e n b e r t h y (5) and by M ' F a d y e a n a n d H o b d a y (4) in 1898. A virus was s h o w n to be the causa t ive a g e n t of the disease by :Findlay (~) in 1980. Later , D e M o n b r e u n and G o o d p a s t u r e (1) a n d G o o d l o w (8) i nocu l a t ed y o u n g dogs wi th t u m o r ex t rac t s a...

Three new cases of lacrimal canalicular papillomatosis are reported and the total of 12 cases in the literature reviewed. They present with epiphora or a local mass. Multiple recurrences over many years is characteristic. A minority have papillomata of the conjunctiva or lacrimal sac. Histopathological examination shows a benign papilloma with a fibrovascular stalk. Treatment was either multipl...

BACKGROUND The aetiology and factors leading to the progression of laryngeal cancer are still unclear. Although human papillomavirus (HPV) has been suggested to play a role, reports concerning the effect of HPV infection on tumour development are controversial. Recently, transfusion transmitted virus (TTV) was suggested to play a role in certain infections as a causative or coinfecting agent. ...

CONTEXT Recurrent respiratory papillomatosis (RRP) is the most common laryngeal tumor. During childhood, it may present in extremely severe forms defined by the need for frequent surgical procedures to relieve respiratory distress and/or involvement of extralaryngeal sites such as lung involvement. Adjuvant therapies are indicated in these cases and interferon is one of the options. Pegylated i...

OBJECTIVES The objectives were to determine the prevalence of laryngeal dysplasia and associated human papilloma virus (HPV) subtypes in adult patients, 18 years or older, suffering from laryngeal papillomatosis at a tertiary care institution. STUDY DESIGN Retrospective cohort study. METHODS Patients with biopsy proven laryngeal papillomatosis were identified via chart review. All available...

A papilloma has been observed in wild cottontail rabbits and has been found to be transmissible to both wild and domestic rabbits. The clinical and pathological pictures of the condition have been described. It has been found that the causative agent is readily filtrable through Berkefeld but not regularly through Seitz filters, that it stores well in glycerol, that it is still active after hea...