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Dtsch Med Wochenschr. 1991 Jun 7;116(23):899-902.

[Hypercalcemia in florid pulmonary and cervical lymph node tuberculosis].

[Article in German]

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Medizinische Klinik, Städtisches Krankenhaus Köln-Holweide.


A 57-year-old man with a history of tuberculosis (TB of the knee-joint 44 years ago and open pulmonary TB six months ago with poor patient drug compliance) had lost 10 kg in weight during the preceding six months. In addition, firm lymph-node swellings with redness of the overlying skin and a skin fistula developed on the right side of the neck. There was mild hypercalcaemia (albumin-corrected serum calcium concentration 2.59 mmol/l) and hyperphosphataemia (2.0 mmol/l) with low-normal serum concentrations of parathormone and of 25-hydroxy-vitamin D3 (14 ng/ml). Serum 1,25-dihydroxy-vitamin D3 concentration was reduced (16 ng/l). The activity of osseous isoenzyme of alkaline phosphatase was normal (19 U/l) and skeletal scintigraphy revealed no abnormality. The cervical lymph-nodes were excised (histology: active caseous lymph-node TB). Tuberculostatic treatment was begun with daily doses of 0.3 g isoniazid, 0.45 g rifampicin, 1.2 g ethambutol and 1.5 g pyrazinamide. Serum calcium concentration rose to 3.22 mmol/l (albumin-corrected) in the first two weeks, even though the patient was on a low-calcium diet. The various concentrations subsequently decreased, but remained slightly elevated throughout the period of observation (11 weeks). This is thus a case of TB-associated hypercalcaemia which was not caused by 1,25-dihydroxy-vitamin D3 or bone destruction.

[Indexed for MEDLINE]

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