Congenital fibrosarcoma simulating congenital hemangioma

From oncogenes to tumor suppressors: The dual role of ncRNAs in fibrosarcoma

Fibrosarcoma is a challenging cancer originating from fibrous tissues, marked by aggressive growth and limited treatment options. The discovery of non-coding RNAs (ncRNAs), including long non-coding RNAs (lncRNAs), microRNAs (miRNAs), and small interfering RNAs (siRNAs), has opened new pathways for understanding and treating this malignancy. These ncRNAs play crucial roles in gene regulation, cellular processes, and the tumor microenvironment. This review aims to explore the impact of ncRNAs on fibrosarcoma's pathogenesis, progression, and resistance to treatment, focusing on their mechanistic roles and therapeutic potential. A comprehensive review of literature from databases like PubMed and Google Scholar was conducted, focusing on the dysregulation of ncRNAs in fibrosarcoma, their contribution to tumor growth, metastasis, drug resistance, and their cellular pathway interactions. NcRNAs significantly influence fibrosarcoma, affecting cell proliferation, apoptosis, invasion, and angiogenesis. Their function as oncogenes or tumor suppressors makes them promising biomarkers and therapeutic targets. Understanding their interaction with the tumor microenvironment is essential for developing more effective treatments for fibrosarcoma. Targeting ncRNAs emerges as a promising strategy for fibrosarcoma therapy, offering hope to overcome the shortcomings of existing treatments. Further investigation is needed to clarify specific ncRNAs' roles in fibrosarcoma and to develop ncRNA-based therapies, highlighting the significance of ncRNAs in improving patient outcomes in this challenging cancer.

Up-To-Date Practical Imaging Evaluation of Neonatal Soft-Tissue Tumors: What Radiologists Need to Know

OBJECTIVE

The purposes of this article are to provide an up-to-date overview of neonatal soft-tissue tumors, including information regarding their unique nature, and to present practical imaging techniques and characteristic imaging findings.

CONCLUSION

Neonatal soft-tissue tumors are a unique set of neoplasms that often have characteristic clinical and imaging findings. Imaging evaluation, mainly with ultrasound and MRI, plays an important role in the initial diagnosis, staging, preoperative assessment, and follow-up evaluation. Clear understanding of practical imaging techniques combined with up-to-date knowledge of characteristic imaging findings can help the radiologist provide a timely and accurate diagnosis of these neoplasms and can lead to optimal neonatal patient care.

Mimickers of Infantile Hemangiomas

Infantile hemangiomas (IHs) are the most common tumors of infancy and usually follow a typical course of growth and involution. We report four soft tissue tumors that were referred to the pediatric dermatology clinic as IHs and the process by which they were diagnosed and treated. Clinicians should be aware of presentations of these uncommon, but serious soft tissue tumors. Many of these mimickers have a vastly different clinical prognosis, and early intervention to limit sequelae is crucial. Biopsy of atypical lesions should be considered early in the diagnostic process since they have varied prognosis and treatment strategies.

Infantile fibrosarcoma misdiagnosed as vascular tumors

Clinical as well as radiologic diagnosis of infantile fibrosarcoma (IFS) is often a challenging problem due to similarities with tumors of vascular origin. Consequently, in the majority of cases, histological and immunohistochemical studies are considered gold standards for the final diagnosis. The two case reports and the review of literature discussed should increase the important features in the history and the presentation that increase the index of suspicion for IFS, as well as it highlights the important characteristics of imaging and laboratory studies that confirm its diagnosis.

Congenital infantile fibrosarcoma in a very low-birth-weight infant

We describe a prenatally diagnosed case with congenital infantile fibrosarcoma, which is a rare malignant tumor, of which there have been only 14 cases reported in the English literature. A giant mass on the left thigh was detected at 24 weeks' gestation by prenatal ultrasonography. Because of its rapid growth and nonreassuring fetal status in utero, the baby was delivered by cesarean delivery at 27 weeks' gestation. The case was complicated by hemorrhagic anemia, coagulopathy, and cardiac failure, and a tumor resection was performed on day 3. As of age 2.5 years, he was healthy without evidence of recurrence. Because some fetal cases with congenital infantile fibrosarcoma have a poor prognosis, termination of pregnancy at an appropriate time and postnatal early treatment are crucial for successful treatment.