Two cases of human cytomegalovirus (HCMV) colitis with pseudoneoplastic appearance are described. Patients presented with abdominal pain, fever, and diarrhea. Colonoscopy revealed a stenosing lesion in one patient and a broad-based, vegetant mass in the other patient, and histopathological examination of colectomy specimens revealed exuberant inflammatory masses with infiltration of mononuclear cells and ulcers with granulation tissue. Typical intranuclear HCMV inclusions were numerous. Peculiar to both patients was the lack of any apparent causes of immunodeficiency, such as human immunodeficiency virus infection or previous organ transplantation.
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http://dx.doi.org/10.1086/375876 | DOI Listing |
Indian J Otolaryngol Head Neck Surg
October 2024
Dept of ENT and Head & neck surgery, Kasturba Medical College Mangalore, Manipal Academy of Higher Education, Manipal, India.
Arch Pathol Lab Med
June 2023
From the Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis. Levy is currently in the Department of Pathology at Mountain States Pathology Associates/Centura Pathology Associates, Colorado Springs, Colorado.
Context.—: The interpretation of postchemotherapy resections of anterior mediastinal germ cell tumors plays a critical role in determining future patient management and prognosis. Treatment-related changes in the thymus may mimic residual teratoma or microcystic-pattern yolk sac tumor.
View Article and Find Full Text PDFEur Ann Otorhinolaryngol Head Neck Dis
April 2019
Département d'otorhinolaryngologie/chirurgie cervico-faciale/chirurgie de la base du crâne, université Paris-Diderot, hôpital Lariboisière, AP-HP, Paris, France.
Introduction: Chronic invasive fungal rhinosinusitis (CIFR) is a rare entity generally observed in immunodepressed subjects. The pathogen most frequently identified is Aspergillus spp. Imaging generally reveals invasive pseudoneoplastic features.
View Article and Find Full Text PDFJ Cutan Pathol
May 2017
Department of Pathology and Laboratory Medicine, University of Texas Health Science Center at Houston, Houston, Texas.
High-pressure paint injection injury is an uncommon but well-described injury. The histologic features of long-term paint injection injury with retained material are less recognized. A 46-year-old male presented clinically as "recurrent giant cell tumor of tendon sheath.
View Article and Find Full Text PDFMod Pathol
December 2013
Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA.
Cartilaginous tumors of soft tissue are uncommon, with benign chondromas of soft parts greatly outnumbering rare soft-tissue chondrosarcomas. Over the past several years, we have seen in consultation a distinctive, benign-appearing chondroid soft-tissue lesion of the plantar foot that differs in a number of respects from chondroma of soft parts. Herein we report our experience with this distinctive lesion.
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