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Book Contents

Histopathology and Cytology of
Poultry Diseases
By Ivan Dinev, DVM, PhD


LYMPHOID LEUKOSIS

Fig. 1. The neoplastic changes begin
always from B. Fabricii, where intrafollicular
lymphomas (lim) of a various
size are observed. H/E, Bar = 50
µm.

Fig. 1. The neoplastic changes begin always from B. Fabricii, where intrafollicular lymphomas (lim) of a various size are observed. H/E, Bar = 50 µm.

 
Fig. 2. Histologically, growth of singletype
lymphoblast cells with marked
pyroninophilia is observed. Tissue
cross-section, liver, methyl green pyronin
staining, H/E, Bar = 25 µm.

Fig. 2. Histologically, growth of singletype lymphoblast cells with marked pyroninophilia is observed. Tissue cross-section, liver, methyl green pyronin staining, H/E, Bar = 25 µm.

 
Fig. 3. Equal-sized lymphoblast cells.
Touch imprint preparation, liver. Diff
Quik, Bar = 10 µm.

Fig. 3. Equal-sized lymphoblast cells. Touch imprint preparation, liver. Diff Quik, Bar = 10 µm.

 
Fig. 4. Lymphoid leukosis, spleen,
hen. Growth of large lymphoid cells
of a slightly varying size. H/E, Bar =
25 µm.

Fig. 4. Lymphoid leukosis, spleen, hen. Growth of large lymphoid cells of a slightly varying size. H/E, Bar = 25 µm.

 
Fig. 5. Liver, lymphoid leukosis, hen.
Focal growth of lymphoblasts, single
lymphocytes, resulting in atrophy of
the parenchyma. H/E, Bar = 25 µm.

Fig. 5. Liver, lymphoid leukosis, hen. Focal growth of lymphoblasts, single lymphocytes, resulting in atrophy of the parenchyma. H/E, Bar = 25 µm.

 
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