SummaryWe describe a non-smoker who presented with a persistent cough, weight loss and general malaise, and had a medical history of bladder carcinoma that had been successfully treated with intravesical BCG immunotherapy. Radiology revealed hilar lymphadenopathy, a predominantly mid-zone and lower-zone lung parenchymal nodular pattern with a perilymphatic distribution, a few thickened interlobular septae, and small pleural effusions bilaterally. The T-SPOT.TB blood test was negative. Video-assisted thoracoscopic surgery showed multiple pleural nodules, the histopathology of which showed multiple well-defined non-caseating granulomata. The patient was started on antituberculosis medication for presumed BCGosis-a systemic complication of previous BCG immunotherapy-and the patient showed an excellent clinical and radiological response. This case further adds to previous reports and reinforces the recommendation that all patients should be made fully aware of the potential systemic and delayed complications of BCG immunotherapy when they are consented for treatment.
CASE PRESENTATIONA 50-year-old Indian woman presented with an 8-week history of a dry, irritating cough that was progressively worsening. She reported two stone weight losses over the previous 2 months and felt generally unwell. There were no night-sweats or fever. There was no history of: occupation-related dust inhalation, asthma, recurrent chest infections, tuberculosis (TB) or recent foreign travel. She denied keeping pets and had never smoked or indulged in illicit drug use. There was no family history of respiratory disease. Three years previously, she had been diagnosed with superficial transitional cell carcinoma of the bladder ( pT1, G3) plus multifocal carcinoma in situ, and this was successfully treated with six intravesical instillations of BCG (Connaught strain: ImmuCyst) 38 months prior to her current presentation. Catheterisation at the time was atraumatic and the treatment was completed without any side-effects. On examination, her body mass index was 18.1 kg/m 2 , and her physical examination was normal.
INVESTIGATIONSAn ECG tracing was normal. The chest radiograph (figure 1) showed bilateral hilar lymphadenopathy associated with ground-glass shadowing in the mid/lower zones. There were one or two small ill-defined nodules in the lower zones. There was a trace of a pleural effusion at the bases. The full blood count, urea and electrolytes, including serum calcium, and liver function tests were all unremarkable. However, there were raised inflammatory markers, with a raised erythrocyte sedimentation rate at 50 mm/h (reference range: 0-14 mm/h) but a normal C reactive protein at 9 mg/l (reference range: 0-10 mg/l). The serum immunoglobulin G level was only mildly elevated in a polyclonal manner at 16.82 g/l (reference range: 6.00-16.00 g/l). Serum ACE level was raised to 78 IU/l (reference range: 8-59 IU/l). Serum antinuclear antibodies and antineutrophilic cytoplasmic antibodies were undetected and rheumatoid factor was negative. Urine d...