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Growing Coronary Aneurysm Secondary to Coronary Fistula Despite Decreased Pulmonary Blood Flow/Systemic Blood Flow Ratio in a Child: A Case Report

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (2)

Coronary aneurysm secondary to coronary fistula is a rare condition, with no existing report on its pathological examination. We report the case of a ......

Mucosal Soft Tissue Lesions

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (6)

Mucosal soft tissue lesions are fairly common in the pediatric population. However, the precise prevalence is unknown. This is the result of the limit......

The Radiological and Histological Phenotype of Skeletal Abnormalities in Fetal ARCN1-Related Syndrome

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; ()

Mutations in ARCN1 give rise to a syndromic disorder with rhizomelic short stature with microretrognathia and developmental delay. ARCN1 encodes the d......

Well-Differentiated Neuroendocrine Tumors of the Appendix in Children and Adolescents: A Clinicopathologic Study

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (3)

Background and Aims: Pediatric neuroendocrine tumors (NET) of the GI tract are rare and appendiceal NET are typically incidental. Few studies have bee......

STK11 Adnexal Tumor in an Adolescent Female: Diagnostic Pitfalls of a Recently Described Entity

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (5)

STK11 adnexal tumor is a recently described entity with less than 25 cases reported to date. These aggressive tumors typically occur in paratubal/para......

Spontaneous Partial Regression of Fetal Lung Interstitial tumor With A2M: ALK Rearrangement in a Neonate

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; ()

The differential diagnosis for neonatal primary lung masses includes developmental anomalies and congenital lung tumors. Fetal lung interstitial tumor......

Current Utilization of Electron Microscopy in the Pediatric Pathology Setting: A Survey by the SPP Practice Committee

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (4)

Background: Electron microscopy (EM), once an important component in diagnosing pediatric diseases, has experienced a decline in its use. To assess th......

Prominent Staining of MYCN Immunohistochemistry Predicts a Poor Prognosis in MYCN Non-Amplified Neuroblastoma

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (2)

Background: MYCN gene amplification is a powerful indicator of poor prognosis of neuroblastoma patients. However, MYCN non-amplified patients still sh......

Biliary Atresia Remnants Revisited: Myogenesis, Hepatic Duct-Like Structures, and Fate of Peribiliary Glands

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (3)

Purpose and Context: Proximal levels of excised remnants from youngest infants may reveal early features of biliary atresia (BA). Method: A targeted I......

Pediatric Gnathic Bony and Mesenchymal Tumors

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (6)

Evaluation of bone pathology within the head and neck region, particularly the gnathic bonesis is complex, demonstrating unique pathologic processes. ......

Fetal Supraventricular Tachycardia: Histologic Evidence of Accessory Pathways Due to Incomplete Annulus Fibrosus Formation

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (3)

Background: Atrioventricular (AV) reentrant tachycardia is a common type of supraventricular tachycardia (SVT) that occurs in the fetus and neonate. A......

Focal Nodular Hyperplasia-Like Lesions With Glypican-3 Positivity in Infancy

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (1)

Purpose and Context: Glypican-3 is often used to discriminate between neoplastic and nonneoplastic liver. In focal lesions, positivity may be consider......

Aortic Dissection and a Previously Unreported ACTA2 Missense Variant Mutation in a Young Patient: A Case Report

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (5)

Hereditary connective tissue disease is known to cause aortic lesions at an early age. Familial aortic aneurysm/dissection is caused due to an ACTA2 m......

Expanding the Spectrum of Perioral Myogenic Tumors in Pediatric Patients: An SRF::NCOA2 Fused Perivascular Tumor of the Philtrum

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (1)

Background: Perivascular tumors, which include myopericytoma and myofibroma, are rare benign soft tissue neoplasms composed of perivascular smooth mus......

Patterns of Interferon γ Expression and C4d Deposition in Chronic Intervillositis of Unknown Etiology

期刊: PEDIATRIC AND DEVELOPMENTAL PATHOLOGY, 2023; 26 (1)

The pathogenesis of chronic intervillositis of unknown etiology (CIUE) may involve IFN gamma overexpression. This study assesses the extent of IFN gam......

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