lymphadenopathy

Disease Number of patients (%) Tuberculosis 60 (45.4%) Lymphoma 7 (5.3%) Metastatic secondary 3 (2.2%) Acute lymphadenitis 7 (5.3%) Nonspecific granuloma 18 (13.6%) Reactive lymphadenitis 29 (22%) Other causes 8 (6%) (i) Sinus histiocytosis 4 (3%) (ii) Cat-scratch disease 2 (1.5%) (iii) Parasitic cause 2 (1.5%) Total 132 (100%)

of % Diagnosis Cases Non-neoplastic Tuberculous 50 50 (inflammatory lymphadenitis lymphadenitis) Chronic nonspecific 29 29 lymphadenitis Acute lymphadenitis 10 10 Neoplastic Metastasis to 9 9 (malignant lymph node lymphadenopathy) Hodgkin's lymphoma 1 1 Non-Hodgkin's 1 1 lymphoma Total 100 100 Table 5.

In acute lymphadenitis, neutrophils can be found within the sinuses and medullary cords whereas in chronic lymphadenitis plasma cells and fibrin threads can be found.

of cases Percentage Cervical lymph nodes 339 96.58 Axillary lymph nodes 08 02.27 Inguinal lymph nodes 04 01.13 Total 351 100 Table 3: Various cytomorphological picture in cases of lymphadenopathy Type of lesion Cytomorphological diagnosis Nonneoplastic Tuberculous lymphadenitis (inflammatory lymphadenitis) Chronic nonspecific lymphadenitis Acute lymphadenitis 36 Neoplastic Metastasis to lymph node (malignant lymphadenopathy) Hodgkin's lymphoma Non-Hodgkin's lymphoma 01 Total 351 Type of lesion No.

Consequently, patients with other causes of acute lymphadenitis (e.g., staphylococcal) can be misdiagnosed as having plague, and patients with plague can be misdiagnosed as having other illnesses.