Histiocytic lymphoma in chronic ulcerative colitis

Histiocytic ulcerative colitis in a French Bulldog.

A 9-month-old French bulldog was referred for signs of chronic large bowel diarrhea. The dog had an increased frequency of defecation, tenesmus and hematochezia. Flexible colonoscopy showed hyperemia, irregularities and ulcerations with multifocal hemorrhages in the mucosa from the descending colon to the proximal rectum. Multiple colonic biopsies were characterized by infiltrations of PAS posi...

Histiocytic Ulcerative Colitis: Infectious or Immune Mediated?

The development of culture independent techniques for determining the presence of infectious agents has revolutionized the approach to detecting both suspected and unsuspected pathogens. For example: PCR with broad range primers has led to the identifi cation of Bartonella henselae as the agent of cat scratch fever and peliosis hepatis. PCR with pathogen specifi c primers has enabled the accura...

Lymphoma complicating ulcerative colitis.

Malignant lymphoma complicating ulcerative colitis.

Carcinoma of the colon as a complication of chronic ulcerative colitis is relatively common, whereas malignant lymphoma is apparently rare. We report two cases of patients with malignant lymphoma complicating ulcerative colitis, a CD 30 + T-cell lymphoma of the intestine and a low grade B-cell non-Hodgkin's lymphoma of MALT type. It is important to be aware of the possibility of malignant lymph...

Chronic Ulcerative Colitis

P. N. RAY, b.a., m.b. (Cal.), f.r.c.s. (Eng.) Additional Surgeon, Medical College Hospitals, Calcutta The problem of ulcerative colitis remains unsolved; medical opinion has oscillated between e extremes of optimism and pessimism. There are some, notably Bargen (1935) and Buie I. "37), who would class it among the conquered ^seases, while others, Hetenyi (1935) for ^stance, would classify it eq...