Granuloma annulare
Updates to Article Attributes
Body
was changed:
Granuloma annulare is a benign idiopathic inflammatory disorder of the dermis, characterised by formation of dermal papules in young children.
Clinical presentation
Granuloma annulare has various clinical presentations:
- three cutaneous forms
- erythematous
- perforating
- generalised
- one subcutaneous form: presenting as soft tissue mass
Radiographic features
Plain radiograph
These have very little value. The only manifestation is non-specific increased density in the subcutaneous compartment without involvement of bone involvement or mineralisation.
Ultrasound
Shows ill- defined-defined solid mass that is hypoechoic to surrounding fat. It excludes a vascular of cystic lesion.
MRI
-
T1:
:fill-defined subcutaneous mass, isointense to muscle -
T2:
:slightly hypointense signal intensity compared with fat, may show heterogeneous hyperintense lesion -
T1CT1 C+: diffuse enhancement can be see
-</ul><h4>Radiographic features</h4><h5>Plain radiograph</h5><p>These have very little value. The only manifestation is non-specific increased density in the subcutaneous compartment without involvement of bone involvement or mineralisation.</p><h5>Ultrasound</h5><p>Shows ill- defined solid mass that is hypoechoic to surrounding fat. It excludes a vascular of cystic lesion.</p><h5>MRI</h5><ul>- +</ul><h4>Radiographic features</h4><h5>Plain radiograph</h5><p>These have very little value. The only manifestation is non-specific increased density in the subcutaneous compartment without involvement of bone involvement or mineralisation.</p><h5>Ultrasound</h5><p>Shows ill-defined solid mass that is hypoechoic to surrounding fat. It excludes a vascular of cystic lesion.</p><h5>MRI</h5><ul>
-<strong>T1</strong>: fill-defined subcutaneous mass, isointense to muscle</li>- +<strong>T1:</strong> fill-defined subcutaneous mass, isointense to muscle</li>
-<strong>T2</strong>: slightly hypointense signal intensity compared with fat, may show heterogeneous hyperintense lesion</li>- +<strong>T2:</strong> slightly hypointense signal intensity compared with fat, may show heterogeneous hyperintense lesion</li>
-<strong>T1C+:</strong> diffuse enhancement can be see</li>- +<strong>T1 C+:</strong> diffuse enhancement can be see</li>
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