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Unknown Cases

This category contains 78 posts

Solution to Unknown Case #39 – Pneumatosis Intestinalis with Pneumoperitoneum

This is a case of pneumatosis intestinalis with pneumoperitoneum. Pneumatosis intestinalis can be caused by many different entities. The most worrisome scenario is bowel ischemia. Small bowel ischemia is usually due to occlusion of either the superior mesenteric artery or superior mesenteric vein. Colonic ischemia is usually due to hypoperfusion. This patient underwent subtotal colectomy. … Continue reading

Unknown Case #39 – Female with Abdominal Pain

History: 70 year old female with abdominal pain.  What are the yellow and red arrows pointing to? What is your diagnosis? Share below! Find the answer to this case here.

Solution to Unknown Case #38 – Esophageal Bronchus

History: Adult male with chest pain.  This is a case of an esophageal bronchus, which is a congenital foregut abnormality sometimes also referred to as communicating bronchopulmonary foregut malformation. An esophageal bronchus typically feeds the medial basal segment of the right lower lobe and puts the patient at risk for recurrent pneumonia in that segment. … Continue reading

Unknown Case #38 – CT Chest Male with Chest Pain

History: Male with chest pain.  What is your diagnosis for this patient with chest pain? Comment and share below! Find the answer to this case here.

Solution to Unknown Case #37 – Dorsal Talar Osteophyte: A Talar Beak Mimic

History: man with ankle pain.  This is an example of a dorsal talar osteophyte, which is a mimicker of a dorsal talar beak. A dorsal talar osteophyte indicates osteoarthrosis of the talocrural or talonavicular joint. A dorsal talar beak is seen in cases of tarsal coalitions where there are abnormal articulations typically between the calcaneus … Continue reading

Unknown Case #37 – Ankle Pain

History: Man with ankle pain.  What is the finding? Comment and share below! Find the answer to this case here.

Solution to Unknown Case #36 – Osteoid Osteoma

History: adolescent with leg pain at night.  This is a classic case of an osteoid osteoma. An osteoid osteoma is a benign osteoid producing bone tumor. They are radiolucent on radiographs and classically have tumor nidus surrounded by reactive sclerosis on radiographs and edema on MRI. Osteoid osteomas represent approximately 10-15% of benign bone tumors … Continue reading

Unknown Case #36 – Child with leg pain

History: Adolescent with leg pain at night.  What is your diagnosis for this adolescent with leg pain at night? Comment and share below!

Solution to Unknown Case #35 – Calcific Myonecrosis

History: 70 year old man with leg pain.  This is a case of calcific myonecrosis of the anterior tibialis muscle. Calcific myonecrosis is a rare late complication of compartment syndrome. This patient actually had a history of compartment syndrome 30 years earlier. The current understanding according to this article here is that compartment syndrome initially leads to … Continue reading

Unknown Case #35 – Leg pain

History: 70  year old male with leg pain. What is your diagnosis? Comment and share below! Find the answer to this case here.