Spontaneous Seminoma in Captive Chipmunk <i>Tamias sibiricus</i>

Spontaneous regression of anterior mediastinal seminoma with normalization of β-human chorionic gonadotropin levels

INTRODUCTION Although spontaneous regression (SR) of anterior mediastinal seminoma is very rare with normalization of β-human chorionic gonadotropin (β-hCG) level, video-assisted thoracic surgery (VATS) is the most effective solution for definite diagnosis of indeterminate anterior mediastinal masses. DIAGNOSIS, THERAPEUTIC INTERVENTIONS, AND OUTCOMES A rare case of an asymptomatic 37-year-ol...

Spontaneous diseases in captive ratites (Struthioniformes) in northwestern Germany: A retrospective study

A retrospective study was carried out to define the spectrum of spontaneous diseases in ostriches and few other captive ratites, order Struthioniformes, in northwestern Germany. The investigation included 71 ratites necropsied between 1968 and 2014. They consisted of 54 ostriches, 5 emus, and 12 rheas with 37 adults, 23 juveniles and 11 neonates and embryonated eggs. Necropsy reports were revie...

Hypothesis: when is a seminoma not a seminoma?

A xenograft line, HX 53, has been established in immune-suppressed mice from a specimen of a lymph node metastasis in a patient with a histological diagnosis of seminoma but with markedly raised circulating levels of alpha-fetoprotein. Histological, immunocytochemical, and ultrastructural studies of this xenograft line have suggested that a solid variant of yolk sac carcinoma may exist, which m...

Laboratory characteristics of poxviruses isolated from captive elephants in Germany

Seminoma in an atrophic testis.

A rare case of a seminoma developing in an atrophic testis is described and the role of testicular atrophy in tumorigenesis is discussed.