Table 2.
Imaging Characteristics of various SRBCT’s
| Type of SRBCT’s | Plain CT | CECT | T1w MRI | T2w MRI | T1 w MRI with contrast |
|---|---|---|---|---|---|
| Esthesioneuroblastoma | Homogeneous soft tissue hypoattenuation with bone erosion | Heterogeneous enhancement | Hypointense signal | Heterogeneous intermediate signal | Moderate enhancement |
| Pituitary macroadenoma | Homogenous soft tissue isointense to brain | Enhancement + | Heterogeneous intermediate signal | Heterogeneous intermediate signal | Bright enhancement |
| Undifferentiated SCC | Homogeneous soft tissue hypoattenuation with calcifications and bone erosion | Heterogeneous enhancement | Isointense signal | Hyperintense signal | Moderate enhancement |
|
Craniopharyngioma (adamantinomatous) |
Soft tissue density with cystic spaces | Heterogeneous enhancement | Hyperintense signal | Hyperintense signal | Enhancement + |
| Synovial sarcoma/ Spindle cell sarcoma | Soft tissue density with calcifications | Heterogeneous enhancement | Hypointense signal | Hypo to isointense signal | |
| Malignant melanoma | Homogeneous soft tissue hypoattenuation with bone erosion | Enhancement + | Homogeneous hypointense signal | Hypointense signal | Heterogeneous enhancement |
| Schwannoma | Homogeneous soft tissue density with adjacent bone remodelling | Mild enhancement | Isointense signal | Isointense signal | Strong enhancement |
| Neuroendocrine Ca | Isodense lesion with moth eaten bone destruction | Mild enhancement | Isointense signal | Mild hyperintense signal | Moderate enhancement |
| Lymphoma | Homogenous soft tissue isointense to muscle | Intermediate signal | Hypointense signal | Homogeneous enhancement | |
| Rhabdomyosarcoma | Homogeneous soft tissue density with bone erosion | Mild enhancement | Low to intermediate intensity | Hyperintense signal | Strong enhancement |
| Neurofibroma | Well defined hypodense mass | No enhancement | Hypointense signal | Hyperintense signal | Heterogeneous enhancement |
| Adenocarcinoma | Homogeneous soft tissue density with bone erosion | Heterogeneous enhancement | Intermediate signal | Intermediate signal | Heterogeneous enhancement |