16 Questions
Which term refers to the enlargement or swelling of lymph nodes?
Lymphadenopathy
What type of lymphadenopathy may affect only specific groups of lymph nodes?
Localized lymphadenopathy
Which type of non-neoplastic lymph node enlargement is specifically caused by TB and Sarcoidosis?
Specific chronic lymphadenitis
What is the term used for reactive lymph node enlargement caused by infection and non-microbial agents?
Reactive hyperplasia
What is the characteristic microscopic feature of acute nonspecific lymphadenitis?
Neutrophil infiltration into lymphoid sinuses
Which type of lymphadenitis can lead to the formation of a cold abscess due to marked caseation?
Chronic specific lymphadenitis
Which of the following lymph nodes is primarily affected in cases of primary pulmonary tuberculosis?
Hilar lymph nodes
What is the mechanism of blood spread in tuberculous lymphadenitis causing isolated organ or miliary tuberculosis?
Direct spread
Which disorder is characterized by the presence of small non-caseating epithelioid cell granuloma containing langhan’s type giant cells and shawmman bodies?
Sarcoidosis
What is the primary cellular feature seen in reactive follicular hyperplasia?
Centroblasts
Which statement is true regarding the fate of individuals with sarcoidosis?
65% undergo spontaneous remission
What is the defining characteristic of germinal centers in reactive follicular hyperplasia?
Polarization into dark and light zones
What is the main difference between follicular hyperplasia and paracortical hyperplasia?
Follicular hyperplasia involves proliferation of lymphoid follicles, while paracortical hyperplasia involves T-cells and high endothelial venules.
Which type of hyperplasia involves the proliferation of cells within the sinuses of the lymph node?
Sinus hyperplasia
What is the characteristic of acute nonspecific lymphadenitis?
Generalized and engorged lymph nodes
Where is reactive lymphadenitis commonly observed?
Axillary region
Explore the characteristics of acute nonspecific lymphadenitis, acute suppurative or necrotizing lymphadenitis, and chronic specific lymphadenitis through microscopic examination findings. Learn about the differences in germinal centers, neutrophil infiltration, and other key features.
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