A case of xanthogranulomatous inflammation of the gastric wall is reported. The lesion was associated with adherent xanthogranulomatous cholecystitis and simulated, clinically, a malignant neoplasm. Histologically, foamy histiocytes, multinucleated giant cells, other inflammatory cells, fibrous reaction with spindle cells and cholesterol clefts were found. (7 Clin Pathol 1993;46:88-90) Xanthogr...

Biotin-avidin systems can be used as an alternative to indirect antibody sandwich methods in the detection of T lymphocyte subsets in cryostat sections of human lymphoid tissue. Appreciable endogenous avidin binding activity (EABA) has been found, however, in human lymph nodes and tonsils. Such EABA can be a source of false positive staining when biotin-avidin detection systems are used to iden...

indeterminate cell histiocytosis is a very rare disorder of histiocytes proliferation. it has both langerhans and non-langerhans cell histiocytosis immunophenotypic features. we described a 45-year-old man with a 2 years history of multiple yellow-brown papules and a few red nodules on his trunk and extremities. no internal involvement was detected first and after 8 months. as his lesions were ...

malignant histiocytosis (mh) is a rare hematologic malignancy, especially in the first decade of life. the disease is clinically characterized by fever, hepatosplenomegaly, lymphadenopathy, pancytopenia and jaundice, and histologically by systemic proliferation of malignant histiocytes and hemophagocytosis. the prognosis is poor and often the diagnosis is not made before death. because of the r...

background: cutaneous leishmaniasis (cl) caused by leishmania tropica is endemic in kerman, southeastern iran. while dogs have long been implicated as the main domestic reservoirs of l. infantum , etiological agent of zoonotic visceral leishmaniasis (zvl), they can also carry l. tropica infection. the objective of the present study was to determine molecular identity and to evaluate histopathol...

Case Description- A pigeon with an abnormal mass on right wing was referred to the Veterinary Clinic of Shahid Bahonar University of Kerman. Treatment and Outcome- The mass was removed surgically and histopathologic examination was done. Microscopic findings revealed a stori-form pattern of atypical and pleomorphic spindle-shape tumor cells with histiocytes and too many thick wall capillari...

Case Description- An eight-year-old Holstein cow with inflammed and abnormal lefteyelid was referred to the veterinary clinic of Shahid Bahonar University of Kerman.Treatment and Outcome- Because of involvement of all structures of the eye, exentrationwas done and abnormal tissues sent for histopathologic examination. Microscopicevaluations revealed mononuclear histiocytes filled with lipid in ...