
submitted by:
Jonathan W. Said
UCLA Center for Health Sciences
Los Angeles, California

The patient is a 15-month-old boy with fever, upper respiratory tract infection, leukocytosis and a
localized lesion on the right cheek, which was biopsied. Stains for organisms (AFB, GMS, PAS, GRAM) were
negative.

submitted by:
Marsha Kinney
University of Texas Health Sciences Center
San Antonio, Texas

This 63 year old male presented with progressive dyspnea over 4 months, dry cough, low grade fever and
chills, and 19 pound weight loss. Past medical history was significant for single vessel atherosclerotic
cardiovascular disease, hyperlipidemia, hypertension, and peptic ulcer disease. Chest x-ray revealed a
retrocardiac infiltrate. Patient had recent exposure to birds and puppies at a neighbor's house.
Patient was treated with antibiotics for two weeks without response.

Patient was admitted to the hospital. CT examination revealed an alveolar infiltrate more pronounced in
the bases than in the apices. There was no adenopathy by physical examination or CT. Pulmonary function
tests revealed airflow obstruction. CBC was normal except for anemia (HCT = 30.3%). LDH was 1825 IU/L
with a mildly elevated AST (124 IU/L) and a normal total bilirubin and ALT. Haptoglobin was normal and
reticulocyte count was 3.3%. Bronchoscopy with transbronchial biopsy was performed.

submitted by:
Amy Chadburn
New York Presbyterian Hospital
New York, New York

A 40-year homosexual man presented with shortness of breath. Chest X-ray showed bilateral pleural
effusions. A diagnostic procedure was performed.
Giesma stained cytospin; H and E stained section of the cell block.

submitted by:
Harald Stein
University Hospital Benjamin Franklin
Berlin, Germany

A 66-year-old patient presented with an ulcerated swelling of the maxillary gingiva and with enlarged
cervical lymph nodes. An excision biopsy was taken from the lesion. Two paraffin blocks with
representative slides were sent to our Lymphoma Reference Center in Berlin for consultation.

submitted by:
Kathryn Foucar
University of New Mexico Health Sciences Center
Albuquerque, New Mexico

68-year-old female with severe pancytopenia, hepatosplenomegaly, and recent onset of weakness, fever,
weight loss, and confusion. The patient has a past history of a cerebrovascular accident, multi-infarct
dementia, hypertension, and congestive heart failure.