Cases

Clinical: 26 y/o with right groin pain Dx: Fat-containing right-sided indirect inguinal hernia.

Clinical: 46 y/o male with pain after injury 6 months prior to MRI. Dx:  Flexor retinacular stripping with associated tibialis posterior tendon dislocation, tendinosis, and tenosynovitis. Read Article References: Nuccion S, Hunter DM, DiFiori J.  The American Journal of Sports Medicine: 2001 – vol. 29, no. 5, pp. 656-659.

Clinical: 49 y/o with dorsal pain; no trauma Dx: Distal Intersection Syndrome (Distal Intersection Tenosynovitis) Discussion The proposed underlying pathogenesis of EPL tendinopathy or rupture is akin to the more publicized intersection syndrome in the distal forearm: in the classic form of intersection syndrome, the tendons of the first extensor compartment (abductor pollicis longus and […] Read More >

16y/o F w/ persistent pain after a fall 5 months ago. Findings:  Knee joint and internal structures are normal.  Lobular, T2 hyperintense thickening of the posterior tibial and common peroneal nerves throughout their visualized course, consistent with a plexiform neurofibroma, which is the hallmark lesion of neurofibromatosis type 1.  When the referring clinician was called, […] Read More >

DIRECT BLOW TO POSTERIOR PROXIMAL OLECRANON IN A 4 YO BOY. MONTEGGIA TYPE FX WITH TEAR ANTERIOR PORTION OF ANNULAR LIGAMENT AND PROB ENTRAPMENT OF ANTERIOR CAPSULE

ACEI-induced small-bowel angioedema should be included in the differential diagnosis when patients receiving ACEI therapy present with abdominal complaints and the following combination of findings on CT examination: ascites, small-bowel wall thickening, dilatation without obstruction, and straightening. See Slide Show for more information References:     Vallurupalli K, Coakley KJ.  AJR: April, 2011 – vol. 196, […] Read More >

47M w/ 5 years of pain. Findings:  Focal mass along the anterior joint capsule, protruding into Hoffa’s fat.  Mixed, predominately low-intermediate signal intensity on fat-sat and non fat-sat images.  No other masses.  This entity is thought to be a focal form of the more widespread synovial joint disease of pigmented villonodular synovitis (PVNS).  This is […] Read More >

See Slide Show for more information References: Takahashi N, et al.  AJR: February, 2008 – vol. 190, no. 2, pp. 280-286.

Clinical: Ankle pain and stiffness. Clinically diagnosed peroneal spastic flat foot. Possible coalition. Dx: Fibrocollagenous coalition between the anterior process of the calcaneus and the navicular (calcaneonavicular coalition). There is mild sclerosis, mild irregularity, and mild bone edema at the synchondrosis.

Clinical: 64 y/o male with paddle board injury.  Chest pain and deformity. Dx: Acute complete avulsion of the sternal head of the right pectoralis major tendon/aponeurosis from the humeral attachment with approximately 7.5 cm of inferomedial retraction. There is adjacent hemorrhage.