Case Report: Carcinoma en Cuirasse in a Middle-Aged Woman Mimicking Postirradiation Morphea
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SUBMITTER: Wang H
PROVIDER: S-EPMC8566709 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Background?Very late antibody-mediated rejection (AMR) in heart transplant patients (over 10?years post-transplant) is very rare. It is associated with high mortality, graft dysfunction, and fulminant coronary artery vasculopathy (CAV) and should remain in the differential for patients presenting with late graft dysfunction.Case summary?A 57-year-old woman 16?years of post-heart transplant with a previously unremarkable post-transplant course including protocol driven biopsies showing no rejection and a recent unremarkable screening nuclear stress test presented to our institution with clinical heart failure. Echocardiogram revealed graft dysfunction and endomyocardial biopsy showed no signs of cellular rejection, but evidence of AMR. The patient was treated with steroid and immunotherapy with clinical improvement but suffered several infectious complications and renal dysfunction requiring haemodialysis related to her immunotherapy treatment. Despite aggressive AMR management, donor-specific antibodies and symptoms persisted and CAV progressed.Discussion?This case illustrates the poor diagnostic yield of non-invasive testing for AMR, and highlights importance to clinicians of considering AMR even if the patient over 10?years post-transplant when the diagnosis is rare.
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Project description:Introduction Adenoid cystic carcinoma (ACC) is one of the most frequent malignant salivary gland tumors, which commonly affects the minor salivary glands of the mouth and is rare in the nose and paranasal sinuses. In the maxillary sinus, ACC can mimic inflammatory diseases and has a poor prognosis. Objective To report a case of a 50-year-old man with ACC of the maxillary sinus whose clinical findings in the alveolar ridge mimicked an oroantral fistula. Case Report An excisional biopsy was performed and histopathologic analysis revealed ACC. Lung metastases and residual tumor in the maxillary sinus were detected by imaging methods. In view of the poor general health of the patient, no new surgical intervention was performed and he was only treated by radiotherapy and follow-up. Conclusion Although rare in the maxillary sinus, ACC should be included in the differential diagnosis of lesions affecting this site.
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Project description:Pancreatic tuberculosis (TB) is a rare condition, even in immunocompetent hosts. A case is presented of pancreatic TB that mimicked pancreatic head carcinoma in a 40-year-old immunocompetent male patient. The patient was admitted to our hospital after suffering for nine days from epigastralgia and obstructive jaundice. Computed tomography revealed a pancreatic mass that mimicked a pancreatic head carcinoma. The patient had undergone an operation four months prior for thoracic TB and was undergoing anti-TB therapy. A previous abdominal ultrasound was unremarkable with the exception of gallbladder steroid deposits. The patient underwent surgery due to the progressive discomfort of the upper abdomen and a mass that resembled a pancreatic malignancy. A biopsy of the pancreas and lymph nodes was performed, revealing TB infection. The patient received a cholecystostomy tube and recovered after being administered standard anti-TB therapy for 15 mo. This case is reported to emphasize the rare contribution of pancreatic TB to pancreatic masses and obstructive jaundice.
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Project description:BackgroundDe Winter syndrome accounts for approximately 2% of all patients with acute anterior myocardial infarction admitted to the emergency department, and is characterized by severe stenosis of the left anterior descending coronary artery (LAD). The ECG changes are not recognized by ECG software, and poor understanding of the syndrome among physicians may lead to misdiagnosis, delayed reperfusion, and mortality.Case presentationA 51-year-old male patient presented with a newly developed ECG pattern suggestive of de Winter Syndrome. Coronary angiography revealed anterior myocardial infarction. Based on the ECG and clinical manifestations, the patient was diagnosed with de Winter syndrome and underwent timely percutaneous coronary intervention to revascularize the left anterior descending artery (LAD). The patient showed good outcomes and no complications at 4 months after the operation.ConclusionsThis case highlights the importance of being aware of the possibility of de Winter syndrome in patients with symptoms of myocardial infarction but atypical ECG in order to conduct early revascularization and treatments.
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Project description:Peripheral T-cell lymphomas (PTCLs) are aggressive neoplasms which may involve the liver. The imaging manifestations of hepatic lymphoma are highly variable and show overlapping appearances of numerous other hepatic diseases. As the management and prognosis of lymphoma differ markedly from those of other malignant diseases, prompt diagnosis and early effective treatment are very important. Here, we report an atypical case of primary PTCL not otherwise specified involving the liver that exhibited a solitary hepatic mass mimicking hepatocellular carcinoma (HCC) on CT. Liver biopsy is not commonly recommended in highly suspicious cases of HCC. However, in a patient without risk factors for HCC, consideration of other diagnostic possibilities is required and needle biopsy may be a more rational choice. An imaging approach, based on a careful review of clinical and laboratory findings is essential to prevent false-positive diagnosis of HCC and subsequent invasive treatment.
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Project description:Widely distributed osteosclerosis is an unusual radiographic finding with multiple causes. A 42-year-old premenopausal Spanish woman gradually acquired dense bone diffusely affecting her axial skeleton and focally affecting her proximal long bones. Systemic lupus erythematosus (SLE) diagnosed in adolescence had been well controlled. She had not fractured or received antiresorptive therapy, and she was hepatitis C virus antibody negative. Family members had low bone mass. Lumbar spine bone mineral density (BMD) measured by dual-photon absorptiometry (DPA) at age 17 years, while receiving glucocorticoids, was 79% the average value of age-matched controls. From ages 30 to 37 years, dual-energy X-ray absorptiometry (DXA) BMD Z-scores steadily increased in her lumbar spine from +3.8 to +7.9, and in her femoral neck from -1.4 to -0.7. Serum calcium and phosphorus levels were consistently normal, 25-hydroxyvitamin D (25OHD) <20?ng/mL, and parathyroid hormone (PTH) sometimes slightly increased. Her reduced estimated glomerular filtration rate (eGFR) was 38 to 55?mL/min. Hypocalciuria likely reflected positive mineral balance. During increasing BMD, turnover markers (serum bone-specific alkaline phosphatase [ALP], procollagen type 1?N propeptide [P1NP], osteocalcin [OCN], and carboxy-terminal cross-linking telopeptide of type 1 collagen [CTx], and urinary amino-terminal cross-linking telopeptide of type 1 collagen [NTx and CTx]) were 1.6- to 2.8-fold above the reference limits. Those of bone formation seemed increased more than those of resorption. FGF-23 was slightly elevated, perhaps from kidney disease. Serum osteoprotegerin (OPG) and TGF?1 levels were normal, but sclerostin (SOST) and receptor activator of nuclear factor kappa-B ligand (RANKL) were elevated. Serum multiplex biomarker profiling confirmed a high level of SOST and RANKL, whereas Dickkopf-1 (DKK-1) seemed low. Matrix metalloproteinases-3 (MMP-3) and -7 (MMP-7) were elevated. Iliac crest biopsy revealed tetracycline labels, no distinction between thick trabeculae and cortical bone, absence of peritrabecular fibrosis, few osteoclasts, and no mastocytosis. Then, for the past 3 years, BMD Z-scores steadily decreased. Skeletal fluorosis, mastocytosis, myelofibrosis, hepatitis C-associated osteosclerosis, multiple myeloma, and aberrant phosphate homeostasis did not explain her osteosclerosis. Mutation analysis of the LRP5, LRP4, SOST, and osteopetrosis genes was negative. Microarray showed no notable copy number variation. Perhaps her osteosclerosis reflected an interval of autoimmune-mediated resistance to SOST and/or RANKL. © 2016 American Society for Bone and Mineral Research.
| S-EPMC5010446 | biostudies-literature
Project description:BackgroundSpontaneous coronary artery dissection (SCAD) is a rare condition, mainly affecting young women. Cases in male patients are rare, especially with recurrence.Case summaryA 59-year-old male non-elite athlete presented as an ST-elevation myocardial infarction following a 5-km run. Urgent coronary angiogram was normal, but cardiac magnetic resonance showed a myocardial infarction. Four years later, he experienced similar chest pain with no ST-elevation on electrocardiogram and a mild troponin rise. Urgent coronary angiogram was initially thought normal but subsequent close inspection confirmed a Type 2b SCAD. Cardiac magnetic resonance showed a small additional myocardial infarction contained within an area of acute myocardial oedema.DiscussionSpontaneous coronary artery dissection is more common in young women compared to men and recurrent dissection has been rarely reported in the literature. Cohort studies have shown the rate of recurrent dissection to be 13-16%, but most of the patients in these cohorts are female. Poor data exists on the best treatment of SCAD in men, but given the presence of intramural thrombus, dual antiplatelet therapy was discontinued on the presumption that it may exacerbate an intramural bleeding process.
| S-EPMC7501942 | biostudies-literature
Project description:BackgroundDense exudate during the calcification of cerebral cysticercosis in basal subarachnoid space was easy to be misdiagnosed as subarachnoid hemorrhage (SAH); clinical evaluation and MRI can help differentiate SAH from pseudo-SAH.Case presentationA case of ventricular expansion accompanied by high-density shadows in cisterna circinata cerebri was taken to the hospital for treatment due to sudden faint. This patient was diagnosed as subarachnoid hemorrhage according to computed tomography (CT) in another hospital. We believe that the high density in cisterna circinata cerebri was misdiagnosed as subarachnoid hemorrhage (SAH) 1 year ago. The main etiology of SAH is aneurysm; non-aneurysmal SAH associated with cerebral cysticercosis is extremely rare. Only 5 patients have been reported.ConclusionThis case indicated that although the specificity of CT for SAH is very high, the physicians should be aware of rare false positive findings, called pseudo-SAH.
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Project description:BackgroundAngioleiomyoma is a benign lesion of mesenchymal origin, which always occurs in the uterine system. Pathologically, angioleiomyoma is usually composed of well-differentiated smooth muscle cells with few mitotic features. However, primary intracranial angioleiomyoma represents an exceedingly rare tumor, since the first case reported in 1994.Case descriptionHere, we reported a case of primary intracranial angioleiomyoma, which mimicking meningioma in pre-operative images. The patient was a 42-year-old male, presented with dizziness and unsteady walking for about 6 months, without symptoms of cranial nerve deficit. Head computer tomography scan showed a well-defined lesion adjacent to right brain stem with high intensity. Contrast brain magnetic resonance imaging (MRI) scan exhibited an extra-axial mass with homogeneous enhancement located at the right pontine, presented as meningioma features; however, other tumors including lymphoma should be differentiated as well. The patient underwent sub-temporal craniotomy for the tumor resection. Histological analysis confirmed the diagnosis of angioleiomyoma. Follow-up brain MRI scan (6 months after surgery) showed total resection of the lesion without residual.ConclusionsIn summary, primary intracranial angioleiomyoma is rare. Thus, diagnosis and differential diagnosis are important before surgical resection, which was mimicking meningioma in our case. Pathological analysis could reveal spindle shaped cells with few mitotic features, and confirm the diagnosis of angioleiomyoma. Currently, the optimal therapy for primary intracranial angioleiomyoma is surgical resection, and adjuvant radiation therapy for the residual tumor. However, long-term prognosis of the disease should be monitor in the future.
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