Term
| T/F: Bone infection usually results in productive lesions |
|
Definition
|
|
Term
| T/F: In bone infection, cortical destruction is minimal. |
|
Definition
|
|
Term
| Fungal dz is (more/less) productive w/ a mixed pattern. |
|
Definition
|
|
Term
| T/F: Etiology of bone infection determines location. |
|
Definition
|
|
Term
| If the etiology is hematogenous, the location is _____. |
|
Definition
|
|
Term
| T/F: Hematogenous bone infection is usually seen in skeletally mature patients. |
|
Definition
|
|
Term
| T/F: Hematogenous bone infection is usually monostotic |
|
Definition
|
|
Term
| T/F: Periosteal response is more prominent later in hematogenous infection. |
|
Definition
|
|
Term
| T/F: Zone of transition may be rather long w/ hematogenous infection. |
|
Definition
|
|
Term
| T/F: Sequestrum is common w/ hematogenous infection |
|
Definition
|
|
Term
| What is the Ddx for a single fungal lesion? |
|
Definition
| Metastatic tumor, Primary bone tumor, Bacterial infection (Hematogenous, Puncture/Bite Wound) |
|
|
Term
| What is the Ddx for multiple fungal lesions? |
|
Definition
| Metastatic Tumor, Multicentric primary tumor, Hematogenous bacterial infection |
|
|
Term
| Name 3 multicentric primary tumors |
|
Definition
Lymphosarcoma
Reticular Cell Sarcoma
Malignant Histiocytosis |
|
|
Term
| T/F: Coccidiomycosis lesions have a more chronic/mature appearance |
|
Definition
|
|
Term
| What is the name for a combination of reparative + destructive features? Name a dz category where it is seen. |
|
Definition
| Honeycombing; Fungal infection |
|
|
Term
| T/F: Fungal bone infections have a long zone of transition. |
|
Definition
|
|
Term
| Why might an involucrum/sequestrum form with bone infection secondary to bite/puncture wound? |
|
Definition
| Injury of blood supply to cortical bone |
|
|
Term
|
Definition
| Cortical bone w/o a blood supply |
|
|
Term
| T/F: Infected environment may cause continued loss of blood supply to a sequestrum |
|
Definition
|
|
Term
| T/F: Sequestra generate periosteal new bone |
|
Definition
|
|
Term
| What type of bone usually gets sequestered? |
|
Definition
|
|
Term
| Describe absorption of a sequestrum |
|
Definition
| Slow; Complete or incomplete |
|
|
Term
| T/F: Modeling of a sequestrum varies d/o age. |
|
Definition
|
|
Term
| T/F: Sequestrum is a common sequel to hematogenous osteomyelitis. |
|
Definition
|
|
Term
| T/F: HO causes a marked periosteal new bone formation that could resemble an infectious bone lesion. |
|
Definition
|
|
Term
| T/F: Hepatozoonosis lesions are similar to those of HO |
|
Definition
|
|
Term
| T/F: Hepatozoonosis lesions are more commonly in distal bones (radius/ulna, tibia/fibula) |
|
Definition
|
|
