Edmund Kwakye Brakohiapa, Michael Segbefia, Obed Nimo, Benjamin Dabo Sarkodie, Klenam Dzefi-Tettey, Emmanuel Onimole, Maxwell Opoku, Clarence Basogloyele, Emmanuel Kobina Mesi Edzie
Congenital humeroradial synostosis (CHRS) is a rare musculoskeletal condition that significantly affects the mobility of the elbow joint. They occur in various types and forms depending on the types and numbers of bones involved at the elbow. CHRS may present with elbow deformity and limitation of function. Appropriate timely diagnosis and counseling are required since CHRS is mostly managed conservatively according to literature and may prevent avoidable fractures of the radius from attempts by parents to straighten the flexed fixed elbow and finally offer adequate time for delayed surgical intervention which is usually ineffective and unhelpful...
May 2024: Radiology Case Reports
Yan Zhang, Huijuan Chen, Feng Chen
IgG4-related diseases (IgG4-RD) are a group of chronic progressive autoimmune diseases of unknown etiology that are increasingly recognized as an important pathophysiological basis for a variety of systemic diseases. It is thought to involve almost any organ of the body, but the involvement of the central nervous system is relatively rare. We report the case of a 56-year-old male patient admitted to the hospital d recurrent dizziness and nausea for more than 3 months. The preoperative imaging was misdiagnosed as a meningioma, with this lesion demonstrated localized inhomogeneous thickening of the meninges in the left parietal region on T2-weighted and T2 fat suppression sequences with localized nodular changes...
May 2024: Radiology Case Reports
Sumaya Abdul Ghaffar, David Pfau, Nikhil Madhuripan, Robert Christopher Harmon, Antonio Galvao Neto, Ana Luiza Gleisner
This case report presents a 62-year-old male who had previously undergone curative colectomy and neoadjuvant chemotherapy in 2005 for colorectal cancer. He presented with jaundice, which was initially attributed to choledocholithiasis. After cholecystectomy and repeat ERCPs, hyperbilirubinemia persisted. There was persistent dilation of the right posterior duct on imaging, concerning for biliary stricture, possibly due to cholangiocarcinoma or intraductal papillary neoplasm. During a right posterior hepatectomy, a peripheral liver lesion was found in association with the dilated bile duct...
May 2024: Radiology Case Reports
Ryan C Rizk, Edmund M Weisberg, Elliot K Fishman
A plasmacytoma is a cancerous growth of abnormal plasma cells that arise within osseous or soft tissue structures. In soft tissue structures, plasmacytomas can present as solitary or multiple masses in the absence of systemic involvement. Solitary plasmacytomas can be subcategorized as extramedullary plasmacytoma (derived from plasma cells located in soft tissues) or osseous plasmacytoma (derived from plasma cells located in the bone marrow). Infrequently, these tumors can arise as extramedullary lesions from the pancreas and present similarly to other tumors, such as pancreatic neuroendocrine tumors (PNETs)...
May 2024: Radiology Case Reports
William Durkin, Arjun Vohra, Youssef Galal, Ben Paul, Austin Lynch, Evan Lederman, Anup Shah
Traumatic dislocations of the knee can result in significant soft tissue damage including multiligamentous and meniscal knee injury. When a meniscal tear involves the posterior horn, the meniscus loses one of its attachments to the tibia and can become extruded from the joint. Stener-like lesions of the knee have been reported throughout the literature; however, they have been exclusively described as a distal tear of the medial collateral ligament (MCL) lying superficial to the pes anserine tendon which prevents anatomic healing...
May 2024: Radiology Case Reports
Liam du Preez, Francis Flaherty, Ragaa Elkabbani
A 67-year-old female underwent a computed tomography angiogram (CTA) of the head in the setting of acute, short-term memory loss. Two lobulated hyperattenuating lesions were incidentally discovered at the base of the tongue and the hyoid bone. Upon further investigation in the outpatient setting including further imaging and ultrasound-guided biopsy, the lesions were confirmed to be ectopic thyroid tissue with dual ectopy. Heterotopic tissue, especially when arising at separate sites, can be concerning for a broad differential diagnosis including malignancy, and further evaluation is certainly recommended...
May 2024: Radiology Case Reports
Toshiyuki Suzuki, Daisuke Sugiki, Akiyo Matsumoto, Takahiko Akao, Hiroshi Matsumoto
A rare case of an ascending colon injury and ileal perforation in a 34-year-old male patient due to blunt abdominal trauma caused by a road traffic accident is reported in this study. This paper reports the clinical and imaging findings of seat belt syndrome. The seat belt syndrome primarily involves soft tissue injury; however, lacerations of the colon, small intestine, and mesentery have rarely been reported in the literature. However intestinal injuries, including bowel perforation and mesenteric injuries due to seat belt syndrome, must not be underestimated because they usually require emergency laparotomy because of accompanying peritonitis and hemorrhaging, and can be lethal if left untreated...
May 2024: Radiology Case Reports
Majid Asgari Mehr
Emphysematous cholecystitis is a potentially life-threatening variant of acute cholecystitis, characterized by the presence of gas in the gallbladder wall/lumen due to the proliferation of gas-producing bacteria. Symptoms include upper right quadrant pain, fever, nausea, and vomiting. Laboratory tests may show nonspecific indications of systemic infection, and radiological assessment, especially CT scanning, is crucial for diagnosis. This case underscores the significance of early diagnosis and intervention in managing emphysematous cholecystitis to prevent serious complications and reduce the higher mortality rate compared to acute cholecystitis...
May 2024: Radiology Case Reports
Nouhaila Lahmouch, Driss Britel, Najat Mouine, Ilyasse Asfalou, Zouhair Lakhal, Aatif Benyass
Primary cardiac tumors are a rarity, and sarcomas emerge as the prevailing form of primary malignant cardiac tumors across age groups, encompassing both children and adults. Within this category, angiosarcoma stands out, constituting around 31% of all primary malignant cardiac tumors. Primary cardiac angiosarcoma displays a notably aggressive nature, characterized by early systemic metastasis, and is accompanied by a generally unfavorable prognosis. We describe a case concerning a previously healthy teenage girl who displayed persistent constitutional symptoms and hemoptysis for 15 days...
May 2024: Radiology Case Reports
Michael Städt, Markus Holtmannspötter, Matthias Feyrer, Heinz Voit-Höhne
A 34-year-old patient was admitted with unclear coma and stretch synergisms. CT-imaging was strongly suspicious of basilar artery dissection, this was confirmed on subsequent DSA. The patient was lysed and a complex thrombectomy was performed. Despite sufficient recanalization, the patient unfortunately died shortly after. To the best of our knowledge, this is the first description of an acute basilar artery dissection treated by thrombectomy.
May 2024: Radiology Case Reports
Victoria Xie, Yi Yan, Miao Lu, David Perrin, Gregory Garvin, Laurence Stillwater
We report a case of tibial osteochondroma in a 25-year-old female who presented with a palpable calf mass. This mass was associated with a thick cartilaginous cap on cross-sectional imaging, suggesting chondrosarcoma. A CT-guided biopsy was performed, and histology, however, was consistent with osteochondroma. Orthopedic oncology recommended surgical excision due to the potential high sampling error with chondroid lesions. The patient underwent surgical resection, resulting in a final diagnosis of osteochondroma...
May 2024: Radiology Case Reports
Songhyon Lee, Masaaki Kubota, Yosuke Tajima, Iori Kojima, Yoshinori Higuchi
Craniocervical junction arteriovenous fistula (CCJ AVF) is a rare vascular disorder. Direct surgery for CCJ AVF is generally reported to have better outcome compared to endovascular treatment. However, no certain consensus has been obtained so far. We report a case of radicular CCJ AVF treated by transarterial embolization that resulted in a good outcome. A 69-year-old man presented with subarachnoid hemorrhage primarily in the posterior cranial fossa. Based on digital subtraction angiography showed radicular CCJ AVF with varix...
May 2024: Radiology Case Reports
Sakie Namba, Hajime Yokota, Hiroki Mukai, Jun Hashiba, Naoki Kogayo, Tatsushi Nakao, Atsuhiko Sugiyama, Etsuko Ogaya, Yuya Aotsuka, Satoshi Kuwabara, Takashi Uno
We report the case of a woman in her 40s who presented with sensory disturbances in all 4 limbs and left facial palsy. MRI revealed asymmetric enlargement of the dorsal root ganglia, which was enhanced by gadolinium-a chest CT scan identified enlarged supraclavicular, mediastinal, and hilar lymph nodes. A biopsy of a hilar lymph node showed noncaseating epithelioid granulomas, confirming a sarcoidosis diagnosis. Prednisolone treatment led to symptomatic improvements. In sarcoidosis of the peripheral nervous system, there might be observable enlargement of the dorsal root ganglion alongside enhanced gadolinium contrast...
May 2024: Radiology Case Reports
Ahmed Ben Sghier, Soumiya Samba, Meriem Bouabid, Nourelhouda Mouhib, Soufiane Berhili, Mohamed Moukhlissi, Loubna Mezouar
Cerebral melanoma is often related to a secondary location of a cutaneous or mucosal melanoma. However, primary cerebral melanoma is a very rare clinical situation, representing less than 1% of all melanomas and 0.07% of all cerebral tumors. The diagnosis of a primary cerebral melanoma therefore requires rigorous clinical and paraclinical investigations. We report a case of primary cerebral melanoma treated in our onco-radiotherapy department.
May 2024: Radiology Case Reports
Miyuko Fujita, Kakuya Kitagawa, Kensuke Domae, Shintaro Yamaguchi, Takanori Kokawa, Masafumi Takafuji, Yasutaka Ichikawa, Hajime Sakuma
Epipericardial fat necrosis (EFN) is a rare benign cause of chest pain, that is frequently overlooked. EFN involves the necrosis of fat tissue in the mediastinum, and presents on computed tomography (CT) as an ovoid lesion of fat attenuation surrounded by a rim of soft tissue attenuation. This case report describes a case of a 50-year-old man diagnosed with EFN on cardiac CT, which was incidentally associated with apical hypertrophic myocardiopathy. Notably, the detection of EFN proved difficult on arterial phase images during coronary CT angiography, whereas it was much easier to detect on delayed phase images...
May 2024: Radiology Case Reports
Jingjing Tang, Huijuan Chen, Feng Chen
Nasopharyngeal tuberculosis is a rare extrapulmonary tuberculosis caused by Mycobacterium tuberculosis invading the nasopharynx. Early clinical symptoms are atypical, making the condition easy to overlook and misdiagnosed. We retrospectively reviewed the case of a 37-year-old man who visited the clinic in March 2023, presenting with enlarged cervical lymph nodes persisting for over a year. Computed tomography and magnetic resonance imaging showed the nasopharynx wall was thickened, and cervical multiple enlarged lymph nodes were visible, presenting bead-like appearance...
May 2024: Radiology Case Reports
Kaouthar Rais, Anas Darkaoui, Ouiam El Mqaddem, Hajar Koulali, Abdelkrim Zazour, Rachid Jabri, Zahi Ismaili, Ghizlane Kharrasse
Acute esophageal necrosis (AEN) or black esophagus is a rare entity characterized by diffuse circumferential black pigmentation of the esophageal mucosa due to ischemic necrosis. It may be lethal, especially among elderly patients with multiple comorbidities and hemodynamic instability. Diagnosis is based on gastroscopy. Treatment consists of intravenous fluids, proton pump inhibitors, and additional therapies to treat the underlying illness. We report a rare case of a woman in her 50s with cervical cancer who presented with hematemesis and sepsis...
May 2024: Radiology Case Reports
David M Sherer, Natalia Catala, Megan Ebner, Erin Walters, Mila Kheyman, Harry Zinn, Mudar Dalloul
Etiologies underlying the relatively infrequent third-trimester sonographic depiction of dilated fetal bowel include (functional or mechanical) bowel obstruction, intestinal atresia, volvulus, annular pancreas, intestinal malrotation, intussusception, gastrointestinal duplications, cystic fibrosis-associated meconium ileus, congenital chloride diarrhea, microvillus inclusion disease, intestinal neuronal dysplasia, and meconium plug syndrome. Fetal bowel obstruction may be associated with aneuploidy (mostly Trisomy 21 in association with esophageal or duodenal atresia), and rarely select microduplications or deletions...
May 2024: Radiology Case Reports
Hirotaka Nakashima, Junji Mochizuki, Fumihiro Sasaki, Syunsuke Itaya, Yuki Fukushima, Takahiro Iida, Yasuo Sakurai
Bone damage, a late side effect of radiotherapy, occurs concurrently with the replacement of fat cells in the bone marrow, causing changes in bone composition. Changes in composition can affect bone quality and disease states, and reduced bone mass can reduce quality of life by increasing the risk of fractures. A 70-year-old woman presented to the orthopedic outpatient clinic with the chief complaint of lower-back pain. The patient reported no history of trauma but was in great pain and had difficulty walking...
May 2024: Radiology Case Reports
Zachary Sokol, Erik Werheim, Martin Oselkin
Carotid jugular arteriovenous fistulas are a documented complication of cannulation of the internal jugular vein. They may present with neck pain, headache, and cardiovascular aberrations. However, carotid jugular fistula secondary thrombus formation after jugular cannulation with radiographic presentation similar to dural arteriovenous fistula has not yet been reported in the literature. Below, we report the case of a 68-year-old male with an incidentally found carotid-jugular fistula secondary to pacemaker placement who had intracranial reflux on imaging, which was ultimately treated successfully through an endovascular approach...
May 2024: Radiology Case Reports
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