A 10-year-old, male Rottweilerdog was presented to Small Animal Hospital of Tehran University with a history of lethargy, anorexia, weight loss, vomiting, polyuria, polydipsia and blindness. The dog showed symptoms of depression, high body temperature (39.2 ˚C), tachypnea (40 breaths min-1) and cachexia. In ophthalmic examination, bilateral hyphema (hemmorrahge in anterior chamber of...

non–hodgkin lymphoma (nhl) causes many deaths worldwide with increasing incidence. non-hodgkin's lymphoma (nhl) may involve the gynecologic tract, and the ovary to be one of the commoner anatomic sites as reported. ovarian involvement by nhl is usually secondary, occurring as a part of systemic disease. the diagnosis is often made incidentally while investigating for gynecological symptoms. we ...

introduction: lymphoma may involve the gastrointestinal tract either primarily or as a manifestation of extensively disseminated systemic disease. stomach being the most frequent site of primary gastroin-testinal lyphoma, followed by the small bowel and colon respectively (1&2&3). for diagnosis of pi-mary small intestinal lymphoma (psil), one most satisfies the criteria specified by dawson and ...

purpose: to report a case of lacrimal sac lymphoma presenting with nasolacrimal obstruction. patient and findings: a 35-year-old woman presented with epiphoria and swelling of the left lacrimal sac area and cervical lymphadenopathy. she had undergone dacryocystorhinostomy (dcr) 6 months before. computed tomography demonstrated a lacrimal sac mass involving the nasal cavity. histopathologic exam...

concurrent disorders with diabetes mellitus is one of the most challenging subject. our knowledge of the most common concurrent disorders in diabetic dogs may be useful in diagnosis of these disorders and better treatment of diabetic dogs. in this study diabetes mellitus was diagnosed in a 7-year-old male german shepherd dog, based on clinical and laboratory findings. following the diagnosis of...

background: burkitt’s lymphoma is a high grade b-cell neoplasm, which is a kind of small non-cleaved cell lymphoma . it is presumably the fastest growing human malignancy, and the patients are prone to develop tumor-lysis syndrome. here we present findings on our patients with burkitt lymphoma . materials and methods: this descriptive retrospective study included 46 children with abdominal burk...

introduction: primary gastric lymphoma (pgl) is a rare tumor, whose differential diagnosis may become complicated without precise immunohistochemistry (ihc) and genetic analysis. case presentation: a 33-year-old woman presented with gastric cancer and had undergone gastrectomy without precise ihc and staging in another center. inappropriate ihc after surgery showed diffuse large b-cell lymphoma...

background and objectives: human herpes 6 virus (hhv-6) could remain latent and chronic in the host cells after primary infection. hhv-6 genome encodes certain trans activation proteins which may results in development of malignantlymphoma. the association of human herpes six virus (hhv-6) infection and hodgkin and non-hodgkin lymphomas is strongly supported by epidemiological studies. the aim ...

background and objectives: epstein barr virus (ebv) is one of the members of herpesviridae family and a sub-category of gamma herpes virinae. ebv, which normally has cr2 or cd21 receptors on b-lymphocytes, has mutagenic features for them. the virus plays an important role in causing some malignant cancers. about 30% of the cases with non-hodgkin’s lymphoma are diffuse large b-cell lymphoma (dlb...

background: primary pancreatic lymphoma (ppl) is a rare condition and its differentiation from most commonly adenocarcinoma is very important because of different prognosis and treatment strategies. the aim of this study was presenting different aspects for differentiating ppl from pancreatic adenocarcinoma. materials andmethods: during 14 months, 5 patients who underwent endoscopic ultrasonogr...