Isolated tuberculous trochanteritis

Isolated tuberculous trochanteritis

Zeineb Alaya^1,&, Walid Osman²

¹Department of Rheumatology, Farhat Hached Hospital, Faculty of Medicine of Sousse, Sousse, Tunisia, ²Department of Orthopaedics, Sahloul Hospital, Faculty of Medicine of Sousse, Sousse, Tunisia

^&Corresponding author
Zeineb Alaya, Department of Rheumatology, Farhat Hached Hospital, Faculty of medicine of Sousse, Ibn el Jazzar Street, 4000 Sousse, Tunisia

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A 40-year-old patient was hospitalized for inflammatory pain in the superior-external surface of the right thigh evolving since 8 months, with no change in the general condition or fever. The pressure towards the right large trochanter was painful without local inflammatory signs. Biology did not show any inflammatory syndrome. The X-ray of the pelvis revealed an osteolytic lesion of the right great trochanter with thickening of the soft parts (A). Bone scintigraphy showed hyperfixation of the right great trochanter (B). The scanner of the basin revealed an osteolytic lesion of the right great trochanter containing multiple sequesters with cortical irregularity (C). A great-trochanter bone biopsy under scannographic control was made (D). The histological study showed an epithelioid and giganto-cellular granuloma with the presence of BK in the culture of the puncture fluid. The diagnosis of trochanteric tuberculosis was then made. Tuberculin intradermal reaction (IDR) was negative. The search for other tuberculous sites was negative. The patient was treated with anti-tuberculosis drugs during 12 months with good progression. Tuberculosis is a rare cause of trochanteritis. The peculiarity of our observation lies also in the absence of other tuberculous localizations.