Volume 5, Oct - Dec 2022
Case Report:
Author’s Affiliation:
1- East point college of medical sciences and research Centre, Bangalore, Karnataka, India.
Received on: 13-Apr-2022
Accepted for Publication: 26-Dec-2022
Article No: 224134uq104832
PDF - Full Text


Hodgkin’s lymphoma is one of the most common malignancies of childhood involving lymph nodes and extra nodal sites. (1) Lymphomas may occasionally masquerade as a infectious illness. (2)

Tuberculosis may present similar to many other disorders and masquerade many other diseases too. (3) Tuberculosis is still a major public health problem in India. (4) The annual risk is between 2 and 5% in young individuals to acquire infection (5).

There are many case reports and studies which has highlighted the diagnostic difficulties in differentiating lymphoma and tuberculosis. This difficulty may lead to delay in diagnosis which may worsen patient prognosis.

A 5 month retrospective study from South Africa showed that 18 among 21 patients of lymphoma were wrongly diagnosed with Tuberculosis in one year period prior to the confirmation of lymphoma by histology. (6)

Both Tuberculosis and Follicular lymphoma (FL) may have evidence of granulomatous inflammation in Fine Needle Aspiration Cytology (FNAC).

(7) This may lead to the misdiagnosis of lymphoma as tuberculosis. Both Hodgkin’s as well as non-Hodgkin’s lymphomas, may have non-caseating sarcoid-like granulomas (2,8,9). These extensive granulomas may mask the malignant process which may lead to the false diagnosis of tuberculosis. (10)


We are presenting a boy of 12 years old with history of swelling in the left side of the neck for 2 years, which is insidious onset and slowly progressing. He had no history of fever, cough, cold, throat pain, difficulty in swallowing, loss of appetite and weight loss.

On examination, child had left sided upper cervical lymphadenitis measuring 5*6cms, not warm non tender, firm and discrete with no matting. (Fig 1)

The child was evaluated in Bihar for the same swelling underwent FNAC of the cervical lymph node showed granulomatous inflammation. In our hospital, child was admitted and FNAC was repeated which showed granulomatous inflammation. An Ultrasonogram of the neck showed evidence of tuberculous lymphadenitis. Lymph node material was tested negative for tuberculous acid fast bacilli (AFB) and CBNAAT. Sputum for AFB was also negative. Chest Xray was normal.

The child was started on ATT after registering with RNTCP. He developed urticaria,skin rashes all over the body and stopped ATT and restarted with 3 drugs HRE.

The child was admitted in July 2021 for acute gastroenteritis and got treated for the same. The child was again reevaluated for cervical lymphadenopathy since it was persisting with no change in size of the swelling. Hence excision biopsy was done which showed many Reed Sternberg cells (RS cells) which were large mononuclear, binuclear and multinucleate cells- features suggestive of Hodgkin’s lymphoma- mixed cellularity type. CECT with contrast was done for systemic evaluation showed multiple well defined discrete lobulated homogeneously enhancing enlarged lymph nodes in left cervical, axillary, paratracheal regions. Multiple rounded hypodense lesions in the spleen measuring 10-15mm in size. There were few small non enhancing lesions in bilateral kidneys suggestive of lymphoma- ANN ARBOR staging-stage IV (involvement of bilateral kidneys).

The child was referred to oncologist and started on chemotherapy. The child is in regular follow up with complete resolution. (Fig 2)

Fig 1 showing clinical photograph showing lymphadenopathy pre treatment

Fig 2 showing clinical photograph post treatment


The differentiation between Tuberculosis and Hodgkin lymphoma may be quite challenging. The symptoms may be fever, cough, lymphadenopathy, fatiguability, loss of weight and night sweats. Mantoux test may be negative in Hodgkin’s lymphoma despite having active Tuberculosis because of defective cell mediated immunity. (11)

Chest Xray and Computed Tomography are preferred imaging modalities but cannot conclusively differentiate the HL and Tuberculosis. Newer imaging modalities like Single positron emission CT (SPECT) or PET imaging shows hypermetabolic lesions in both, so it canot help I differentiating the two. (12)

Hence, the most specific and sensitive diagnostic procedure is the Biopsy. The caseating or necrotizing granulomatous lesions typical for TB may also be seen in HL and NHL. (13) Reed Sternberg cells (RS cells) are not entirely specific for HL. The expression of CD 15 and CD 30 antigens on RS cells is diagnostic of classic HL.

Similarly, to confirm tuberculosis, the presence of AFB in biopsy and/or culture is required. (14)

So, to diagnose HL or TB lymphadenitis, excision biopsy is considered the gold standard investigation in evaluating cervical lymphadenitis than FNAC. The Gene Xpert test of lymph node material in smear positive samples differentiates tuberculous and non-tuberculous mycobacteria. It is a rapid diagnostic test for TB.

A study from Chennai of 172 patients with HL, which showed 32 patients had already given empirical ATT without the evidence of active TB, even before the diagnosis of HL. (15)

Studies across the world recommend a change in current guidelines to enhance a faster and more accurate diagnosis of lymphoma. A management algorithm proposed by a south Africa study recommends patients with presumed TB who are AFB smear negative should initially be treated with anti-tubercular medication as per guidelines (6,16,17).

If there is no improvement after a month of treatment and if patient remains AFB smear negative, then biopsies should be done for histopathological evaluation of lymphoma, tuberculosis and other possible pathology.


This case report highlights the challenging nature of diagnosing lymphoma from tuberculous lymphadenitis. Both present with lymphadenitis, granulomatous inflammation in histology which delay in correct diagnosis of lymphoma.

Early diagnosis of Hodgkin’s lymphoma is very important. Dilemma in the diagnosis can be solved with excision biopsy of the lymph node and Gene Xpert test of the lymph node material. The prognosis of Hodgkin lymphoma is very good with high cure rate in children if diagnosed early and treated promptly.


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