Purpose: To identify clinical and MR predictors of retro-odontoid pseudotumor (ROP) regression after posterior fixation in patients with atlantoaxial instability. Materials and Methods: We included patients who had undergone posterior fixation for atlantoaxial instability and preoperative and postoperative MR imaging. Patients were classified into two groups according to the degree of ROP regression after posterior fixation: regression (≥ 10% reduction) and no regression (< 10% reduction). Mann–Whitney and Fisher’s exact tests were performed to identify the clinical (age and sex) and MR predictors (preoperative ROP thickness, ROP type, MR signal homogeneity of the ROP, spinal cord signal change, spinal cord atrophy, ossified posterior longitudinal ligament, os odontoideum, and atlantodental interval) associated with ROP regression. Results: We retrospectively assessed 11 consecutive patients (7 female; median age, 66 years [range, 31–84 years]). Posterior fixation induced ROP regression in eight (72.7%) patients. Older age and greater preoperative ROP thickness significantly correlated with ROP regression (p = 0.024 and 0.012, respectively). All patients with preoperative ROP thickness > 5 mm exhibited ROP regression. The other variables were not significantly associated with ROP regression. Conclusion Older age and thicker preoperative ROP are associated with ROP regression after posterior fixation in patients with atlantoaxial instability.

Purpose: To identify clinical and MR predictors of retro-odontoid pseudotumor (ROP) regression after posterior fixation in patients with atlantoaxial instability. Materials and Methods: We included patients who had undergone posterior fixation for atlantoaxial instability and preoperative and postoperative MR imaging. Patients were classified into two groups according to the degree of ROP regression after posterior fixation: regression (≥ 10% reduction) and no regression (< 10% reduction). Mann–Whitney and Fisher’s exact tests were performed to identify the clinical (age and sex) and MR predictors (preoperative ROP thickness, ROP type, MR signal homogeneity of the ROP, spinal cord signal change, spinal cord atrophy, ossified posterior longitudinal ligament, os odontoideum, and atlantodental interval) associated with ROP regression. Results: We retrospectively assessed 11 consecutive patients (7 female; median age, 66 years [range, 31–84 years]). Posterior fixation induced ROP regression in eight (72.7%) patients. Older age and greater preoperative ROP thickness significantly correlated with ROP regression (p = 0.024 and 0.012, respectively). All patients with preoperative ROP thickness > 5 mm exhibited ROP regression. The other variables were not significantly associated with ROP regression. Conclusion Older age and thicker preoperative ROP are associated with ROP regression after posterior fixation in patients with atlantoaxial instability.

Purpose: To identify clinical and MR predictors of retro-odontoid pseudotumor (ROP) regression after posterior fixation in patients with atlantoaxial instability. Materials and Methods: We included patients who had undergone posterior fixation for atlantoaxial instability and preoperative and postoperative MR imaging. Patients were classified into two groups according to the degree of ROP regression after posterior fixation: regression (≥ 10% reduction) and no regression (< 10% reduction). Mann–Whitney and Fisher’s exact tests were performed to identify the clinical (age and sex) and MR predictors (preoperative ROP thickness, ROP type, MR signal homogeneity of the ROP, spinal cord signal change, spinal cord atrophy, ossified posterior longitudinal ligament, os odontoideum, and atlantodental interval) associated with ROP regression. Results: We retrospectively assessed 11 consecutive patients (7 female; median age, 66 years [range, 31–84 years]). Posterior fixation induced ROP regression in eight (72.7%) patients. Older age and greater preoperative ROP thickness significantly correlated with ROP regression (p = 0.024 and 0.012, respectively). All patients with preoperative ROP thickness > 5 mm exhibited ROP regression. The other variables were not significantly associated with ROP regression. Conclusion Older age and thicker preoperative ROP are associated with ROP regression after posterior fixation in patients with atlantoaxial instability.

Recent advancements in various technologies have shed light on the critical role of metabolism in immune cells, paving the way for innovative disease treatment strategies through immunometabolism modulation. This review emphasizes the glucose metabolism of myeloid-derived suppressor cells (MDSCs), an emerging pivotal immunosuppressive factor especially within the tumor microenvironment. MDSCs, an immature and heterogeneous myeloid cell population, act as a double-edged sword by exacerbating tumors or mitigating inflammatory diseases through their immune-suppressive functions. Numerous recent studies have centered on glycolysis of MDSC, investigating the regulation of altered glycolytic pathways to manage diseases. However, the specific changes in MDSC glycolysis and their exact functions continue to be areas of ongoing discussion yet. In this paper, we review a range of current findings, including the latest research on the alteration of glycolysis in MDSCs, the consequential functional alterations in these cells, and the outcomes of attempts to modulate MDSC functions by regulating glycolysis. Ultimately, we will provide insights into whether these research efforts could be translated into clinical applications.

Iodinated contrast media (ICM) can cause not only immediate onset hypersensitivity but also delayed onset hypersensitivity. While the most common form of delayed onset hypersensitivity reaction to ICM is exanthematous eruption, fixed drug eruption (FDE) can occur rarely related to ICM. A 70-year-old male with liver cirrhosis and hepatocellular carcinoma repeatedly experienced erythematous patches on his right forearm and hand 6 hours after exposure to iopromide for computed tomography scan. ICM induced FDE was diagnosed clinically. Intradermal test with 6 kinds of ICM (iobitridol, iohexol, iomeprol, iopamidol, iopromide, and iodixanol) was performed and showed the weakest positive reaction to iohexol compared to the others in 48 hours. After changing iopromide to iohexol based on these results, FDE did not recur. We report here a case of iopromide induced FDE which was successfully prevented by changing ICM to iohexol based on intradermal test results.
Aged ; Carcinoma, Hepatocellular ; Contrast Media ; Drug Eruptions* ; Forearm ; Hand ; Humans ; Hypersensitivity ; Hypersensitivity, Delayed ; Intradermal Tests ; Iohexol ; Iopamidol ; Liver Cirrhosis ; Male

Acknowledgments section for grant support was misprinted unintentionally.

Cervical cancer is the seventh most common malignancy in women. But, not many cases of cutaneous metastasis have been reported. We report a cases of a 45-year-old woman presenting with multiple erythematous nodules on the right flank. She had small cell cervical cancer with multi-organ metastasis, including the pancreas, lymph nodes, and lung. A skin biopsy revealed small cell cancer features throughout the dermis, and immunohistochemical tests were positive for chromogranin and synaptophysin. Based on these clinical and histopathological findings, we concluded that her condition was skin metastasis at the right flank from cervical cancer, which occurs very rarely.
Biopsy ; Dermis ; Female ; Humans ; Lung ; Lymph Nodes ; Middle Aged ; Neoplasm Metastasis ; Pancreas ; Skin ; Synaptophysin ; Uterine Cervical Neoplasms

In accordance with this Journal's policy, the entire article has been retracted at the request of the Editors.

In accordance with this Journal's policy, the entire article has been retracted at the request of the Editors.

Rosai-Dorfman disease (RDD) or sinus histiocytosis with massive lymphadenopathy (SMHL) is a benign histiocytic proliferative disorder of unknown etiology. The disease is usually accompanied by massive bilateral lymphadenopathy, fever, elevated erythrocyte sedimentation rate, leukocytosis with neutrophilia, and polyclonal hypergammaglobulinemia. Histopathologic examinations showed characteristically large histiocytes exhibiting emperipolesis. On immunohistochemical stains, histiocytes are positive for CD68 and S-100 protein, but negative for CD1a. The lymph node involvement is typical, but it may also involve other systemic organs in one third of the cases such as skin, upper respiratory tract, bones and so on. Patients with purely cutaneous Rosai-Dorfman diseases are of older age at onset of the disease with a reversed male/female ratio, thus, cutaneous Rosai-Dorfman disease is recognized as a distinct entity from the Rosai-Dorfman disease. Herein, we present a 50-year-old man with erythematous papules and indurated plaques on both cheeks, diagnosed as cutaneous Rosai-Dorfman disease. The lesions were treated with isotretinoin 10 mg bid for 9 months with pulsed dye laser.
Blood Sedimentation ; Cheek ; Coloring Agents ; Emperipolesis ; Fever ; Histiocytes ; Histiocytosis, Sinus ; Humans ; Hypergammaglobulinemia ; Isotretinoin ; Lasers, Dye ; Leukocytosis ; Lymph Nodes ; Lymphatic Diseases ; Respiratory System ; S100 Proteins ; Skin