Which of the following is not true regarding tubercular osteomyelitis
It is secondary to TB
Periosteal reaction is seen
Sequestrum is uncommon
inflammation is minimum
peiosteal reaction is usually not seen in tubercular osteomyelitis. Tuberculous osteomyelitis * Bone Tuberculosis * Hematogenous spread of organisms from an active focus of tuberculosis : -- lung (common) -- mediastinal or aoic lymph nodes -- kidney -- bowel * Most common in children&youngs * The veebrae and the long bones of the extremities are most frequently involved * In many cases the infection also spreads to contiguous joints such as the hip, knee, and interveebral joints Pathology * The onset of tuberculous osteomyelitis is usually insidious. * The infection is unrelenting, necrotizing, and destructive of bone, cailage, and soft tissue. * The tuberculous exudation and the inflammatory necrosis may extend through the medullary and coical bone, penetrate through the periosteum, and progress through the epiphysial and aicular , cailage. * Tunneling sinuses may extend into the adjoining soft tissue and drain to the skin surface. * Sequestration and the formation of an involucrum are uncommon . Tuberculosis of the spine (Potts disease)* * The thoracic and lumbar veebrae * The infection often begins in the anterior pa of the veebral body and extends into the interveebral disc: 7- - Destruction and collapse of the veebral bodies and discs -- Kyphosis -- Kyphoscoliosis xray of tb osteomylitis ref : maheswari 9th ed
Skeletal infections