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Daruish M, Stefanato CM. ROS1 Fusion Angiomatoid Spitz Nevus With Eccrine Duct Fibroadenomatosis and Syringoid Features. Am J Dermatopathol 2023; 45:765-767. [PMID: 37703331 DOI: 10.1097/dad.0000000000002535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
ABSTRACT Eccrine duct fibroadenomatosis is a reactive histological phenomenon observed in a variety of inflammatory and neoplastic pathologies. We report a case of a ROS1 fusion angiomatoid Spitz nevus with associated acrosyringeal hyperplasia and a syringoma-like ductal proliferation in a young female patient.
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Affiliation(s)
- Maged Daruish
- Department of Dermatopathology, St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
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2
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Braunberger TL, Adelman M, Shwayder TA, Clarke LE, Friedman BJ. Proliferative nodule resembling angiomatoid Spitz tumor with degenerative atypia arising within a giant congenital nevus. J Cutan Pathol 2020; 47:1200-1204. [PMID: 32776331 DOI: 10.1111/cup.13840] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/30/2020] [Accepted: 08/04/2020] [Indexed: 11/27/2022]
Abstract
Proliferative nodules arising within congenital melanocytic nevi often present a diagnostic challenge given a close resemblance to melanoma. Several morphologic variants have been characterized. In difficult cases, ancillary molecular tests can be used to better exclude the possibility of malignant degeneration. Herein, we report a case of an unusual proliferative nodule with overlapping features of angiomatoid Spitz tumor and ancient melanocytic nevus, which demonstrated normal findings on both chromosomal microarray and a gene expression profiling assay.
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Affiliation(s)
| | - Madeline Adelman
- Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Tor A Shwayder
- Department of Dermatology, Henry Ford Hospital, Detroit, Michigan, USA
| | | | - Ben J Friedman
- Department of Dermatology, Henry Ford Hospital, Detroit, Michigan, USA.,Department of Pathology and Laboratory Medicine, Henry Ford Hospital, Detroit, Michigan, USA
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Anju K, Nakamura Y, Okiyama N, Ishitsuka Y, Saito A, Watanabe R, Fujisawa Y. Angiomatoid Spitz nevus with surrounding pagetoid melanocytic proliferation on the sole of the foot: An unusual case report with immunohistochemical studies for angiogenic factors. J Dermatol 2020; 47:538-541. [PMID: 32096247 DOI: 10.1111/1346-8138.15275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 01/26/2020] [Indexed: 11/30/2022]
Abstract
Angiomatoid Spitz nevus (ASN) is a rare histological variant of Spitz nevus (SN) that is characterized by prominent blood vessel proliferation around the intradermal melanocytes of SN. In contrast, SN may have pagetoid components, which are characterized by epidermal proliferation of single melanocytes. However, cases of ASN with predominant pagetoid melanocytic proliferation in the epidermis have not been reported. Here, we report a case of ASN with surrounding pagetoid melanocytic proliferation without formation of tumor nests in the epidermis in the plantar region. A 12-year-old girl presented with a bright red nodule surrounded by a brown macule on the sole of her right foot. Histologically, the nodule showed tumor nests in the dermis, composed of spindle or epithelioid melanocytes containing abundant cytoplasm and large nuclei. Around the nests, numerous blood vessels were seen. In the overlying epidermis of the nodule, numerous eosinophilic Kamino bodies were found along the dermal-epidermal interface. In the macule, proliferation of oval melanocytes was present as single-cell units in the epidermis. Theses melanocytes had abundant cytoplasm with large nuclei, which were larger than those of the surrounding keratinocytes. From these findings, a diagnosis of ASN with surrounding pagetoid melanocytic proliferation was made. Vascular endothelial growth factor and fibroblast growth factor 2 were strongly expressed in the melanocytes as well as in the endothelial cells in our case. Therefore, angiogenic factors produced by the melanocytes of SN might have played important roles in the surrounding angiogenesis of this case.
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Affiliation(s)
- Keisuke Anju
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yoshiyuki Nakamura
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Naoko Okiyama
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yosuke Ishitsuka
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Akimasa Saito
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Rei Watanabe
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yasuhiro Fujisawa
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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The first case of vaginal angiomatoid Spitz nevus causing vaginal bleeding. Obstet Gynecol Sci 2019; 62:290-293. [PMID: 31338348 PMCID: PMC6629984 DOI: 10.5468/ogs.2019.62.4.290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 08/12/2018] [Accepted: 08/22/2018] [Indexed: 12/01/2022] Open
Abstract
Angiomatoid Spitz nevus is a variant of melanocytic nevus with prominent vasculature. Due to its pathologic features, angiomatoid Spitz nevus in the vaginal wall is extremely rare. A 42-year-old woman presented to the hospital with abnormal vaginal bleeding. Vaginal examination revealed a 2×2-cm well-demarcated tumor on the posterior wall of the vagina. The mass was successfully removed by complete excision and was diagnosed as angiomatoid Spitz nevus on pathologic examination. We present the first reported case of vaginal angiomatoid Spitz nevus, which caused vaginal bleeding. Although angiomatoid Spitz nevus has many histopathological similarities with malignant melanoma, precise histopathological diagnosis is important for preventing overtreatment.
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Yu J, Jen MV, Yan AC, Elenitsas R, Rubin AI. Angiomatoid and desmoplastic Spitz nevus presenting as a keloidal nodule. Pediatr Dermatol 2018; 35:e228-e230. [PMID: 29582459 DOI: 10.1111/pde.13479] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Angiomatoid and desmoplastic Spitz nevi are rare histologic variants of Spitz nevi that present most frequently on the extremities of children and young adults. Although Spitz nevi are clinically heterogeneous, one presenting as a keloidal nodule has not been previously published. We present a case of an angiomatoid and desmoplastic Spitz nevus clinically akin to a keloid on an African-American teenager and describe its unique histopathologic features.
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Affiliation(s)
- JiaDe Yu
- Department of Dermatology, Massachusetts General Hospital, Boston, MA, USA
| | - Melinda V Jen
- Department of Pediatrics, Section of Pediatric Dermatology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Albert C Yan
- Department of Pediatrics, Section of Pediatric Dermatology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Rosalie Elenitsas
- Department of Dermatology, Division of Dermatopathology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Adam I Rubin
- Department of Pediatrics, Section of Pediatric Dermatology, Children's Hospital of Philadelphia, Philadelphia, PA, USA.,Department of Dermatology, Division of Dermatopathology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
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Spitz Nevus Intermingling With Hemangioma, Angiomatoid Spitz Nevus, Angiotropism, and Vascular Co-option Viewed With Differing Availability Heuristics. Am J Dermatopathol 2017; 40:465-467. [PMID: 28398920 DOI: 10.1097/dad.0000000000000870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Rawson R, Robbins E, McCarthy SW, Scolyer RA. Angiomatoid Spitz naevus: novel observations and clues to diagnosis of a rare variant. Pathology 2016; 48:739-742. [PMID: 27780602 DOI: 10.1016/j.pathol.2016.08.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 08/12/2016] [Accepted: 08/19/2016] [Indexed: 10/20/2022]
Affiliation(s)
- Robert Rawson
- Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Melanoma Institute Australia, Sydney, NSW, Australia.
| | - Elizabeth Robbins
- Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia
| | - Stanley W McCarthy
- Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Melanoma Institute Australia, Sydney, NSW, Australia; Discipline of Pathology, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Richard A Scolyer
- Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Melanoma Institute Australia, Sydney, NSW, Australia; Discipline of Pathology, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
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Fernandez-Flores A, Cassarino DS. Unusual Histopathological Patterns in Melanocytic Nevi With Some Previously Undescribed Patterns. Am J Dermatopathol 2016; 38:167-85. [PMID: 26894768 DOI: 10.1097/dad.0000000000000381] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Melanocytic nevi are one of the most common diagnoses in the daily practice of any dermatopathologist. Although in the vast majority of cases the final diagnosis is not difficult, there are certain rare and unusual morphologic variations that can elicit some diagnostic problems. Although some of these variations can be considered as mere morphologic oddities, others might lead to a differential diagnosis with melanoma, or with other tumors, including epithelial or neural tumors. In the current report, we review many of these morphologic variations and discuss the main differential diagnosis, when appropriate.
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Affiliation(s)
- Angel Fernandez-Flores
- *Consultant Histopathologist, Department of Cellular Pathology, Hospital El Bierzo, Ponferrada, Spain; and †Consultant Dermatopathologist, Department of Pathology, Southern California Kaiser Permanente, Los Angeles Medical Center (LAMC), Los Angeles, CA
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Chen WH, Chang SC, Gao HW. A slow-growing flesh-colored tumor on the lower leg. Int J Dermatol 2015; 54:e507-8. [PMID: 26470858 DOI: 10.1111/ijd.12929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 10/17/2014] [Accepted: 11/22/2014] [Indexed: 11/30/2022]
Affiliation(s)
- Wen-Hui Chen
- Department of Dermatology, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Shun-Cheng Chang
- Division of Plastic Surgery, Department of Surgery, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Hong-Wei Gao
- Department of Pathology, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
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Moscarella E, Al Jalbout S, Piana S, Argenziano G, Lallas A, Longo C, Hofmann-Wellenhof R, Zalaudek I. The stars within the melanocytic garden: unusual variants of Spitz naevi. Br J Dermatol 2015; 172:1045-51. [DOI: 10.1111/bjd.13347] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2014] [Indexed: 11/28/2022]
Affiliation(s)
- E. Moscarella
- Dermatology and Skin Cancer Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
| | - S. Al Jalbout
- Department of Dermatology; University of Modena and Reggio Emilia; Modena Italy
| | - S. Piana
- Dermatology and Skin Cancer Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
| | - G. Argenziano
- Dermatology and Skin Cancer Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
| | - A. Lallas
- Dermatology and Skin Cancer Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
| | - C. Longo
- Dermatology and Skin Cancer Unit; Arcispedale Santa Maria Nuova IRCCS; Viale Risorgimento 80 42100 Reggio Emilia Italy
| | - R. Hofmann-Wellenhof
- Department of Dermatology and Venereology; Medical University of Graz; Graz Austria
| | - I. Zalaudek
- Department of Dermatology and Venereology; Medical University of Graz; Graz Austria
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Malkan AD, Sandoval JA. Controversial tumors in pediatric surgical oncology. Curr Probl Surg 2014; 51:478-520. [PMID: 25524425 DOI: 10.1067/j.cpsurg.2014.11.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Accepted: 11/17/2014] [Indexed: 12/13/2022]
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Angiomatoid intradermal melanocytic nevus or chimeric nevus?: A potential diagnostic pitfall. Am J Dermatopathol 2010; 32:420-1. [PMID: 20514684 DOI: 10.1097/dad.0b013e3181bd912f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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