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Mastin MR, Swanson LA, Smyrk TC, Wieland CN, Guo R. Primary Cutaneous Enteric Duplication Cyst: A Novel Entity. Am J Dermatopathol 2021; 43:e245-e247. [PMID: 33958514 DOI: 10.1097/dad.0000000000001960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Enteric duplication cysts (EDCs) are rare congenital malformations consisting of double-walled cystic or tubular structures lined by gastrointestinal type epithelium. EDCs share a common muscular wall and blood supply with the adjacent duplicated bowel with very rare exceptions. The majority of EDCs are intraabdominal with cases less commonly intrathoracic or thoracoabdominal. To the best of our knowledge, we present the first reported case of primary cutaneous EDC to occur outside the abdominal and thoracic cavities. A 17-year-old male without a significant medical or surgical history underwent excision of a cystic nodule on the left hip. On histopathology, a dermal to subcuticular cyst exhibited an epithelial lining with 2 distinct components including cuboidal to columnar mucinous cells (CK7+, CK20-, and CDX2-) and complex glandular colonic-type mucosa (CK7-, CK20+, and CDX2+). A thick muscular wall resembling muscularis mucosa and muscularis propria surrounded the cyst. Findings supported a primary cutaneous enteric duplication cyst of uncertain developmental etiology. The novel nature of this entity could represent a diagnostic challenge.
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Affiliation(s)
| | | | - Thomas C Smyrk
- Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Carilyn N Wieland
- Departments of Dermatology, and
- Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Ruifeng Guo
- Departments of Dermatology, and
- Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
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Kim YH, Lee J. Cutaneous ciliated cyst on the anterior neck in young women: A case report. World J Clin Cases 2020; 8:4481-4487. [PMID: 33083407 PMCID: PMC7559661 DOI: 10.12998/wjcc.v8.i19.4481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 08/07/2020] [Accepted: 08/31/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND A cutaneous ciliated cyst (CCC) is a rare, benign tumor in young female adults, which is usually found on the lower extremities.
CASE SUMMARY We found an uncommon location of CCC in the anterolateral cervical area and reviewed the literature. A 20-year-old female complained of a well-defined, painless, palpable mass that started several years ago. The mass was tense and movable and located at the anterolateral aspect of the neck. Imaging showed a non-enhancing round mass. Surgical excision biopsy was performed, and the cystic mass was revealed to be a CCC.
CONCLUSION The rare location of CCC can be found in anterior neck area, which should be another diagnostic option for mass on anterior neck.
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Affiliation(s)
- Yon Hee Kim
- Department of Pathology, Soonchunhyang University Seoul Hospital, Seoul 04401, South Korea
| | - Jihyoun Lee
- Department of Surgery, Soonchunhyang University Seoul Hospital, Seoul 04401, South Korea
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Eruptive Multifocal Cutaneous Mucinous Cysts. Am J Dermatopathol 2017; 40:e12-e14. [PMID: 28700376 DOI: 10.1097/dad.0000000000000947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Cutaneous cysts lined by mucinous epithelium are rare entities. We report an unusual case of a 60-year-old female patient who presented with a 2-month history of eruptive cystic papules on her right thigh. Histopathologic study showed multiple, multiloculated cysts located in the dermis lined by nonciliated mucinous epithelium. The cyst lining was positive for AE1/AE3, CK7, CK20, and GCDFP15. Patchy positivity was noted on the p53 stain. Attenuated Sox10 positive cells were identified, raising the possibility of sweat duct origin; however, no myoepithelial layer was identified by p63 staining. Mullerian markers, including ER, PR, WT1, and Pax8, were negative. We propose this as a unique case that may represent mucinous metaplasia of a cystic sweat duct lesion. Here, we review the literature of mucinous and other glandular cutaneous cysts.
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Mullerian-Type Ciliated Cyst of the Thigh with PAX-8 and WT1 Positivity: A Case Report and Review of the Literature. Case Rep Med 2016; 2016:2487820. [PMID: 28070193 PMCID: PMC5192324 DOI: 10.1155/2016/2487820] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 11/14/2016] [Indexed: 12/12/2022] Open
Abstract
Mullerian-type ciliated cysts are uncommon lesions usually found in the lower extremities and perineal region of young females. They have however been reported in males and in other anatomic sites. The cyst lining is typically positive for estrogen receptor (ER), progesterone receptor (PR), PAX-8, and WT1 immunohistochemical stains. This staining pattern has led to the notion that these cysts are of Müllerian origin. The vast majority of cases are located in the dermis where the preferred nomenclature is cutaneous ciliated cyst (CCC). We report a case of Müllerian-type ciliated cyst in the thigh of a 16-year-old girl. Unlike most of the cases reported in the English literature, this cyst was not centered in the dermis. Only a few other cases of Müllerian-type ciliated cysts with no cutaneous connection have been reported. We propose the term ectopic Müllerian cyst for this rare subset of lesions that are not skin based as is the current case.
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The Cutaneous Ciliated Cyst in Young Male: The Possibility of Ciliated Cutaneous Eccrine Cyst. Case Rep Med 2015; 2015:589831. [PMID: 26491452 PMCID: PMC4605210 DOI: 10.1155/2015/589831] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 09/15/2015] [Indexed: 12/19/2022] Open
Abstract
Cutaneous ciliated cyst was described as a painless cyst occurring on the lower limbs of women between the ages of 15 and 30 years. The cysts are typically lined by ciliated cuboidal to columnar epithelium with pseudostratified areas and focal squamous metaplasia is occasionally present. Immunohistochemical studies have demonstrated that the cysts are PR and ER positive, similar to the epithelia of the fallopian tubes. However, outliers of cutaneous ciliated cysts, including those in male patients and in unexpected locations such as the scalp, finger, and scapular area, have been reported. Thus, some hypotheses have been proposed including the Mullerian heterotopias, ciliated metaplasia of eccrine sweat glands, and embryonic remnants of the cloacal membrane. We report a rare case of cutaneous ciliated cyst on the left shoulder of a 7-year-old boy and this is the eighth case of cutaneous ciliated cyst in male patients. Moreover, through reviewing the articles, we try to propose the classification of the cutaneous ciliated cysts into the cutaneous Mullerian cysts and the ciliated cutaneous eccrine cysts.
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Cutaneous ciliated cyst of the scalp: a case report of a cutaneous ciliated eccrine cyst and a brief review of the literature. Am J Dermatopathol 2015; 36:679-82. [PMID: 25051045 DOI: 10.1097/dad.0b013e3182a00c09] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cutaneous ciliated cysts (CCC) are rare benign cysts known to occur in the lower extremities of females of reproductive age. Currently, there are 2 theories that attempt to explain the histogenesis of this rare entity. The theory of Mullerian heterotopia provides a plausible histogenetic explanation for the vast majority of CCC. A proposed alternative theory is the ciliated metaplasia of eccrine glands. We believe that previously reported cases of CCC include 2 distinct entities. We report, herein, the first case reported in the literature of a cutaneous ciliated eccrine cyst occurring on the scalp.
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Abstract
Cutaneous ciliated cysts (CCC) are exquisitely rare, benign cystic lesions demonstrating simple, ciliated epithelial linings reminiscent of fallopian tube epithelium. Most commonly, CCC show a predilection for the lower extremities of young reproductive age women and demonstrate immunohistochemical positivity for estrogen and progesterone receptors, supporting the theory that they are derived from ectopic Müllerian rests. PAX-8 is a paired box gene, important in the development of Müllerian and thyroid organs and has utility in the identification of tumors of Müllerian, renal, and thyroid origin. Prompted by the precedent studies on PAX-8 immunohistochemical expression in tumors of Müllerian origin, this article aimed to explore the utility of this antibody in defining the histogenesis of 2 bona fide cases of CCC, both occurring in young reproductive age women. Herein, 2 prototypic index cases of CCC with strong nuclear positivity for estrogen and progesterone receptors are shown to also have positive nuclear staining for PAX-8, further supporting their likely Müllerian origin. These data support the designation of these lesions as cutaneous Müllerian cysts, distinct from potential ciliated cysts of eccrine origin.
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Oh JS, Bhalla VK, Needham L, Sharma S, Pipkin WL, Hatley RM, Howell CG. Müllerian-type, cutaneous ciliated cyst in the gluteal cleft mimicking a pilonidal cyst. Pediatr Surg Int 2014; 30:545-8. [PMID: 23913265 DOI: 10.1007/s00383-013-3363-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/25/2013] [Indexed: 12/26/2022]
Abstract
A cutaneous ciliated cyst is a rare entity found predominantly in the lower extremities and perineal region of young females. Although initially described by Hess in 1890, the present day term, "cutaneous ciliated cyst," was proposed by Farmer in 1978 and includes a wide array of cyst types. Despite their typical female predominance and location, many have described cutaneous ciliated cysts in males and atypical locations. In addition, Mullerian cysts in the posterior mediastinum and the retroperitoneum have been reported. To date, only 40 cases have been reported in the literature of a Mullerian-type, cutaneous ciliated cyst. Here, we report a case of 13-year-old female with one in the gluteal cleft, initially presenting as a pilonidal cyst. We also discuss the differential diagnosis of pediatric sacrococcygeal lesions and pathogenesis of a Mullerian-type, cutaneous ciliated cyst.
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Affiliation(s)
- Jin Sol Oh
- Department of General Surgery, Georgia Regents University, 1120 15th Street, Room BIW 446, Augusta, GA, 30912, USA
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Abstract
As previously recognized by various authors, "cutaneous ciliated cyst" is a confusing term. Typically, the term refers to rare cystic lesions, commonly found on the lower limbs of women in their reproductive years. To date, 40 cases diagnosed as "cutaneous ciliated cyst" have been reported in the literature. Histologically, the cysts are composed of a simple layer of ciliated columnar cells along with nonciliated columnar cells, cuboidal cells, and round "peg-like" cells, resembling fallopian tube epithelium. This histology has been described in cysts found in males and females and in locations other than the lower limbs. Controversy has thus arisen over the etiology of these lesions, with some believing that the cysts arise from heterotopic Mullerian rests and others advocating for ciliated metaplasia of eccrine glands. We herein describe the first case of cutaneous ciliated cyst of Mullerian origin occurring on the dorsal thumb of a 16-year-old female. A review of literature shows that 2 groups of cysts are covered under the umbrella term "cutaneous ciliated cysts." We thus propose the abandonment of the confusing term "cutaneous ciliated cyst" and the adoption of "cutaneous Mullerian cysts" for estrogen receptor/progesterone receptor-positive lesions resembling simple fallopian tube epithelium and "Cutaneous ciliated eccrine cyst" for estrogen receptor/progesterone receptor-negative lesions usually occurring in males, which are immunohistochemically compatible with an eccrine origin.
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Chong SJ, Kim SY, Kim HS, Kim GM, Kim SY, Jung JH. Cutaneous ciliated cyst in a 16-year-old girl. J Am Acad Dermatol 2006; 56:159-60. [PMID: 17097367 DOI: 10.1016/j.jaad.2006.08.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2006] [Revised: 08/01/2006] [Accepted: 08/03/2006] [Indexed: 12/19/2022]
Abstract
A 16-year-old girl was seen for a painless subcutaneous mass of 1 year's duration. On excisional biopsy, a collapsed cystic structure lined by stratified, ciliated, columnar epithelium was noted; findings were consistent with cutaneous ciliated cyst. Immunohistochemical staining for progesterone receptor and epithelial membrane antigen were positive, whereas it was negative for carcinoembryonic antigen, which supports the theory of heteropia of the ciliated epithelium from the Müllerian epithelium in its histopathogenesis.
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Affiliation(s)
- Su-Jean Chong
- Department of Dermatology, St. Vincent Hospital, The Catholic University, Suwon, Republic of Korea
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