Patterns of contrast enhancement of tuberculous lymph nodes demonstrated by computed tomography

Kikuchi Disease: Differentiation from Tuberculous Lymphadenitis Based on Patterns of Nodal Necrosis on CT

“…[10][11][12] However, few studies indicated that CT images revealed nodal necrosis as an unusual feature of KD. 1,9 Kwon et al 1 reported that 16 (16.7%) of 96 patients with KD had nodal necrosis.…”

“…1,[8][9][10][11][12] The most common CT findings of KD include homogeneous enhancement with or without nodal necrosis and perinodal infiltration on CT, while the typical CT findings of TL include a central low-attenuation necrosis with peripheral rim enhancement with/without calcification. However, differentiating these diseases in daily practice remains difficult because they have overlapping findings on CT.…”

Peripheral Rim Enhancement in Tuberculous Mediastinal Lymph Nodes

“…The low attenuation necrotic lymph nodes with rim enhancement after contrast infusion strongly suggest a diagnosis of mycobacterial infection. 1 A similar appearance may be seen in patients with fungal infection, especially Cryptococosis or Histoplasmosis . This appearance is usually not observed in other causes of mediastinal lyphadenopathy such as metastatic carcinoma, lymphoma, sarcoidosis, or leukemia.…”

CT in detection and diagnosis of thoracic conditions in symptomatic HIV patients

“…Pombo F et al [4] reported four patterns of enhancement in tuberculous lymph nodes demonstrated by CT, i.e., peripheral rim enhancement (most common), Inhomogeneous enhancement, homogenous enhancement and homogenous non-enhancing nodes. In present study of the 8 patients who had adenopathy, 5 had peripheral rim enhancement while one patient had homogenous enhancement.…”