acanthoma

Summary

Summary: A neoplasm composed of squamous or epidermal cells.

Top Publications

  1. Wang S, Chi C. Clear cell acanthoma occurring on the hallux: the first case report. J Eur Acad Dermatol Venereol. 2006;20:1144-6 pubmed
  2. Brooks J, Sindler A, Papadimitriou J, Francis L, Scheper M. Multifocal melanoacanthoma of the gingiva and hard palate. J Periodontol. 2009;80:527-32 pubmed
    ..This article reports a previously undescribed case of multifocal melanoacanthoma affecting the maxillary and mandibular gingiva and the hard palate. A literature review of melanoacanthoma of the gingiva is also provided...
  3. García Gavín J, González Vilas D, Montero I, Rodríguez Pazos L, Pereiro M, Toribio J. Disseminated eruptive clear cell acanthoma with spontaneous regression: further evidence of an inflammatory origin?. Am J Dermatopathol. 2011;33:599-602 pubmed publisher
    Clear cell acanthoma (CCA) is a benign epidermal lesion with distinctive clinicopathological features. Multiple disseminated eruptive CCA is an infrequent clinical variant that has been rarely reported...
  4. Carlos Bregni R, Contreras E, Netto A, Mosqueda Taylor A, Vargas P, Jorge J, et al. Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis. Med Oral Patol Oral Cir Bucal. 2007;12:E374-9 pubmed
    ..Therefore oral MA and MM should be considered in the differential diagnosis of pigmented lesions in the oral mucosa in these populations...
  5. Marocchio L, Júnior D, de Sousa S, Fabre R, Raitz R. Multifocal diffuse oral melanoacanthoma: a case report. J Oral Sci. 2009;51:463-6 pubmed
    ..Here, we report a case of OMA with diffuse lesions also affecting the tongue in a 74-year-old black woman, whose diagnosis was based essentially on clinical and histological features. The immunohistochemical profile is also presented...
  6. Chi C, Wang S, Huang H. Clear cell acanthoma successfully treated with a carbon dioxide laser. Dermatol Surg. 2005;31:1355-8 pubmed
    The treatment of choice for clear cell acanthoma (CCA) is excision. Resolution after cryotherapy has also been reported but requires three to four courses of treatment.
  7. Kanitakis J, Rival Tringali A, Chouvet B, Vignot E, Claudy A, Faure M. Porokeratoma (porokeratotic acanthoma): immunohistological study of a new case. J Cutan Pathol. 2009;36:804-7 pubmed publisher
    Porokeratoma (porokeratotic acanthoma) is a very recently described tumor-like acanthoma with features of porokeratosis (cornoid lamellation)...
  8. Haake D, Minni J, Nowak M, Abenoza P, Nousari C. Reticulated acanthoma with sebaceous differentiation. Lack of association with Muir-Torre syndrome. Am J Dermatopathol. 2009;31:391-2 pubmed publisher
    We hereby report a case of a reticulated acanthoma with sebaceous differentiation (RASD), a rare and often mislabeled benign lesion that is characterized by epidermal acanthosis and clusters of sebocytes in a reticulated seborrheic ..
  9. Veiga R, Barros R, Santos J, Abreu Junior J, Bittencourt M, Miranda M. Clear cell acanthoma of the areola and nipple: clinical, histopathological, and immunohistochemical features of two Brazilian cases. An Bras Dermatol. 2013;88:84-9 pubmed
    Clear cell acanthoma or Degos' acanthoma is a distinct disease concerning its clinical, histopathological, and immunohistochemical features...

More Information

Publications82

  1. Ardigo M, Buffon R, Scope A, Cota C, Buccini P, Berardesca E, et al. Comparing in vivo reflectance confocal microscopy, dermoscopy, and histology of clear-cell acanthoma. Dermatol Surg. 2009;35:952-9 pubmed publisher
    Clear cell acanthoma (CCA) is a rare, benign neoplasm of unknown etiology, whose dermoscopic and histological features have been previously described. Usually, CCA can be diagnosed by clinical and dermoscopic examination...
  2. Kauzman A, Pavone M, Blanas N, Bradley G. Pigmented lesions of the oral cavity: review, differential diagnosis, and case presentations. J Can Dent Assoc. 2004;70:682-3 pubmed
    ..In this paper, an algorithm is proposed for the assessment of pigmented lesions of the oral cavity, and 3 patients with such lesions are described...
  3. Tempark T, Shwayder T. Clear cell acanthoma. Clin Exp Dermatol. 2012;37:831-7 pubmed publisher
    Clear cell acanthoma (CCA), is an asymptomatic benign lesion of unknown origin and aetiology, which typically presents as a red to brown, dome-shaped papule on the leg...
  4. Yarom N, Hirshberg A, Buchner A. Solitary and multifocal oral melanoacanthoma. Int J Dermatol. 2007;46:1232-6 pubmed publisher
    ..In this study, we present an unusual case of multifocal oral melanoacanthoma and analyze cases of oral melanoacanthoma reported in the literature, with special emphasis on multifocal lesions...
  5. Contreras E, Carlos R. Oral melanoacanthosis (melanoachantoma): report of a case and review of the literature. Med Oral Patol Oral Cir Bucal. 2005;10:11-2; 9-11 pubmed
    ..The clinical appearance of oral MA is non diagnostic and therefore biopsy is mandatory to differentiate from other melanocytic lesions, including melanoma...
  6. Kovacs D, Cota C, Cardinali G, Aspite N, Bolasco G, Amantea A, et al. Expression of keratinocyte growth factor and its receptor in clear cell acanthoma. Exp Dermatol. 2006;15:762-8 pubmed
    The aetiopathogenic mechanism underlying clear cell acanthoma (CCA) is not completely clear and it has been postulated that CCA and psoriasis may have a similar pathogenesis because of the common features shared by the two diseases...
  7. Tapia J, Quezada D, Gaitan L, Hernandez J, Paez C, Aguirre A. Gingival melanoacanthoma: case report and discussion of its clinical relevance. Quintessence Int. 2011;42:253-8 pubmed
    ..Because gingival melanoacanthoma shares clinical features with other pigmented lesions with diverse genesis, the differential diagnosis of a solitary pigmented lesion on the gingiva is also discussed...
  8. Ueo T, Kashima K, Daa T, Kondoh Y, Yanagi T, Yokoyama S. Porocarcinoma arising in pigmented hidroacanthoma simplex. Am J Dermatopathol. 2005;27:500-3 pubmed
    ..We considered this portion of the tumor to be a porocarcinoma. Since the two portions of the tumor were continuous, we made a final diagnosis of porocarcinoma arising in pre-existing pigmented HAS with amyloid deposition. ..
  9. Moreau Claeys M, Brunaud C, Hoffstetter S, Buchheit I, Peiffert D. [High dose rate vaginal brachytherapy in endometrial cancer after surgery]. Cancer Radiother. 2011;15:169-75 pubmed publisher
    ..We now propose pelvic radiotherapy only for intermediate prognosis tumours (such as IA>50% of myometrium invasion with grade 3 and IB stages), if patients did not have any lymphatic surgery, or for bad prognosis tumours. ..
  10. Kukreja T, Krunic A. Multiple epidermolytic acanthomas must not be confused with genital human papillomavirus infection. Acta Derm Venereol. 2009;89:169-71 pubmed publisher
    ..Biopsy revealed hyperkeratosis, hypergranulosis, and clear cell changes consistent with epidermolytic acanthoma. Human papillomavirus was not detected and the lesions cleared rapidly with a liquid nitrogen cryoprobe...
  11. Al Arashi M, Byers H. Cutaneous clear cell squamous cell carcinoma in situ : clinical, histological and immunohistochemical characterization. J Cutan Pathol. 2007;34:226-33 pubmed
    ..2 and CK15. Antibodies that did not label ORS cells, but did label eccrine glands (CK7 and CK18) or sebocytes (EMA), also did not label the cases. Clear cell change in SCCIS is part of a spectrum which displays ORS differentiation. ..
  12. Wilson J, Walling H, Stone M. Benign cutaneous Degos disease in a 16-year-old girl. Pediatr Dermatol. 2007;24:18-24 pubmed
    ..We also discuss the 24 reported instances of Degos disease (malignant and benign) in the pediatric population, of which 14 (58%) were fatal, with death occurring on average 3.6 years after diagnosis. ..
  13. Rossiello L, Zalaudek I, Ferrara G, Docimo G, Giorgio C, Argenziano G. Melanoacanthoma simulating pigmented spitz nevus: an unusual dermoscopy pitfall. Dermatol Surg. 2006;32:735-7 pubmed
    ..Accordingly, all lesions in adults exhibiting a starburst pattern or other spitzoid features should be excised for histopathologic evaluation. ..
  14. Galindo Moreno P, Padial Molina M, Gómez Morales M, Aneiros Fernandez J, Mesa F, O Valle F. Multifocal oral melanoacanthoma and melanotic macula in a patient after dental implant surgery. J Am Dent Assoc. 2011;142:817-24 pubmed
    ..Surgery could have been causal or incidental to the appearance of these lesions. Clinicians should be aware of this possible event and make a correct and pathologically confirmed differential diagnosis. ..
  15. Battistella M, Langbein L, Peltre B, Cribier B. From hidroacanthoma simplex to poroid hidradenoma: clinicopathologic and immunohistochemic study of poroid neoplasms and reappraisal of their histogenesis. Am J Dermatopathol. 2010;32:459-68 pubmed publisher
    ..The 3 latter are rarely reported. Poroid cells in P have recently been identified as keratinocytes of the lowermost acrosyringium and the sweat duct ridge...
  16. Cohen P, Schulze K, Rady P, Tyring S, He Q, Martinelli P, et al. Detection of human papillomavirus in cutaneous clear cell squamous cell carcinoma in situ: viral-associated oncogenesis may contribute to the development of this pathologic variant of skin cancer. J Cutan Pathol. 2008;35:513-4 pubmed publisher
  17. Fantinato E, Milani L, Sironi G. Sox9 expression in canine epithelial skin tumors. Eur J Histochem. 2015;59:2514 pubmed publisher
    ..different types of canine skin neoplasms (squamous papilloma, squamous cell carcinoma, infundibular keratinizing acanthoma, inferior tricholemmoma, isthmic tricholemmoma, trichoblastoma, trichoepitelioma, malignant trichoepitelioma, ..
  18. Lee A, Stein S, Cohen L. Clear cell fibrous papule with NKI/C3 expression: clinical and histologic features in six cases. Am J Dermatopathol. 2005;27:296-300 pubmed
    ..Recognition of this variant of fibrous papule is important to distinguish this benign lesion from other clear cell neoplasms. ..
  19. Wang S, Chi C. Clear cell acanthoma occurring in a split-thickness skin graft. Plast Reconstr Surg. 2005;116:146e-149e pubmed
  20. Silverstein D, Marghoob A. Clear cell acanthoma induced by a dermatofibroma. Dermatol Online J. 2012;18:14 pubmed
    ..We describe an unusual case of a clear cell acanthoma overlying a dermatofibroma and present the first dermoscopic image (to our knowledge) to the literature.
  21. Zedek D, Murphy B, Shea C, Hitchcock M, Reutter J, White W. Cutaneous clear-cell granular cell tumors: the histologic description of an unusual variant. J Cutan Pathol. 2007;34:397-404 pubmed
    ..The distinctive morphology and the immunohistochemical results are discussed in the context of the differential diagnosis of clear-cell cutaneous tumors. ..
  22. Park S, Cho K. Dermal melanocytoma-acanthoma in an adult mixed breed dog. Jpn J Vet Res. 2010;58:165-9 pubmed
    A cutaneous melanocytoma-acanthoma was diagnosed in a 7-year-old intact female mixed breed dog. Grossly, this tumor was a solitary and darkly pigmented nodule located in the face...
  23. Cheng A, Deubner H, Whipple M. Melanoacanthoma of the external auditory canal: a case report and review of the literature. Am J Otolaryngol. 2007;28:433-5 pubmed
  24. Banky J, Turner R, Hollowood K. Multiple scrotal epidermolytic acanthomas; secondary to trauma?. Clin Exp Dermatol. 2004;29:489-91 pubmed
    ..The term epidermolytic acanthoma was applied to a solitary discrete epidermal proliferation characterized by EH...
  25. Moulonguet I, Serre M, Herskovitch D. [Multiple epidermolytic acanthomas of the genitalia]. Ann Dermatol Venereol. 2017;144:295-300 pubmed publisher
    ..It is the elementary histopathological lesion of epidermolytic acanthoma, which may either be single or multiple, and when it occurs in the genital area, is known as epidermolytic ..
  26. Thomas M, George R, Thomas M. Linear epidermolytic acanthoma of vulva: an unusual presentation. Indian J Dermatol Venereol Leprol. 2010;76:49-51 pubmed publisher
    Epidermolytic acanthoma (EA) is a rare benign tumor that shows epidermolytic hyperkeratosis (EH) on histopathology. It can occur in a solitary or disseminated form...
  27. Idriss M, Khalil A, Long W, Elston D. Epidermal panfolliculoma: an adnexal proliferation with advanced follicular differentiation confined to the epidermis. J Cutan Pathol. 2013;40:409-12 pubmed publisher
    ..The lesion presented as a verrucous plaque on the leg of a 55-year-old man. Histopathologic sections showed an acanthoma with follicular differentiation including areas mimicking the follicular germ, matrix, root sheath and ..
  28. Perrin C, Cannata G, Bossard C, Grill J, Ambrossetti D, Michiels J. Onychocytic matricoma presenting as pachymelanonychia longitudinal. A new entity (report of five cases). Am J Dermatopathol. 2012;34:54-9 pubmed publisher
    ..Beside onychomatricoma, we report a new matrical tumor of the nail: onychocytic matricoma (acanthoma of the nail matrix producing onychocytes)...
  29. Cardoso J, Reis J, Figueiredo P, Tellechea O. Infundibulomatosis: a case report with immunohistochemical study and literature review. Dermatol Online J. 2010;16:14 pubmed
    ..Histopathological findings were consistent with the diagnosis of tumor of the follicular infundibulum. Immunohistochemical study was performed to further characterize the proliferation...
  30. López J, Taldibaeva G, Sperhake K, Park B, Stege H, Böer Auer A. Reticulated acanthoma with apocrine differentiation. J Cutan Pathol. 2011;38:432-4 pubmed publisher
    Reticulated acanthoma with apocrine differentiation (RAAD) represents a rare variant of adnexal neoplasm first described by Ackerman et al. in 1998...
  31. Bogale S, Chan C, McIntire H, Hsu S. Epidermolytic acanthoma of the scrotum: A rare mimicker of condyloma acuminatum. Dermatol Online J. 2011;17:6 pubmed
    Epidermolytic acanthoma is a rare benign tumor that is characterized by epidermolytic hyperkeratosis on histopathology...
  32. Ribeiro F, Leocadia E, Macarenco R, Lapins J, Huet P, Akay B, et al. Reticulated acanthoma with sebaceous differentiation mimicking melanoma. Dermatol Pract Concept. 2017;7:35-37 pubmed publisher
    Reticulated acanthoma with sebaceous differentiation (RASD) is a rare, benign cutaneous tumor with peculiar histopathologic characteristics [1]...
  33. Resnik K. Granular parakeratotic acanthoma is not adenoid seborrheic keratosis. Am J Dermatopathol. 2008;30:300-1 pubmed publisher
  34. Monteagudo B, Alvarez Alvarez C, López Mouriño V. [Eruptive seborrheic keratoses triggered by eczema]. Actas Dermosifiliogr. 2005;96:130 pubmed
  35. Zirvi M, Seykora J, Ming M. A rapidly growing nodule and dome-shaped yellow papules on the face. Arch Dermatol. 2005;141:515-20 pubmed
  36. Cota C, Ferrara G, Amantea A, Donati P. Eccrine syringofibroadenoma and clear cell acanthoma: an association by chance?. Am J Dermatopathol. 2011;33:195-8 pubmed publisher
    ..excision biopsy specimen of this lesion showed a biphasic pattern of eccrine syringofibroadenoma and clear cell acanthoma. Such a previously unreported association is neither necessarily by chance nor necessarily a collision...
  37. Shalin S, Rinaldi C, Horn T. Clear cell acanthoma with changes of eccrine syringofibroadenoma: reactive change or clue to etiology?. J Cutan Pathol. 2013;40:1021-6 pubmed publisher
    We observed two patients with solitary lesions showing features of clear cell acanthoma with underlying eccrine syringofibroadenoma-like changes...
  38. Senel E. Dermatoscopy of non-melanocytic skin tumors. Indian J Dermatol Venereol Leprol. 2011;77:16-21; quiz 22 pubmed publisher
    ..Dermatologist should be aware of dermatoscopic features of non-melanocytic skin tumors to reach the correct diagnosis...
  39. Bongiovanni L, Romanucci M, Fant P, Lagadic M, della Salda L. Apoptosis and anti-apoptotic heat shock proteins in canine cutaneous infundibular keratinizing acanthomas and squamous cell carcinomas. Vet Dermatol. 2008;19:271-9 pubmed publisher
  40. Jakobiec F, Mendoza P, Colby K. Clinicopathologic and immunohistochemical studies of conjunctival large cell acanthoma, epidermoid dysplasia, and squamous papilloma. Am J Ophthalmol. 2013;156:830-46 pubmed publisher
    ..To evaluate clinicopathologically and immunohistochemically a spectrum of conjunctival squamous proliferations...
  41. Hsu H, Yang C, Kuo T, Shih I, Hong H. Urachal duct remnant-like umbilical clear cell acanthoma in an infant: an unusual presentation and pitfall in clinical practice. Int J Dermatol. 2007;46:615-8 pubmed
    ..Clear cell acanthoma (CCA) has never been described as an oozing umbilical nodule on infants.
  42. Nakamura T. Shadow cell differentiation from squamoid morule in endometrial adenoacanthoma. Int J Clin Exp Pathol. 2015;8:13120-4 pubmed
    ..It seems that SCD is not so uncommon as previously estimated in endometrial adenoacanthoma. ..
  43. Sidhu H, Patel R, Goldenberg G. Dermatology clinics: what's new in dermatopathology: news in nonmelanocytic neoplasia. Dermatol Clin. 2012;30:623-41, vi pubmed publisher
  44. Ghazi N, Patel B, Olsakovsky L, White K, Patterson J, Carter B. A conjunctival lesion with histological features similar to large-cell acanthoma of the skin. J Cutan Pathol. 2010;37:1103-6 pubmed publisher
    Large-cell acanthoma (LCA) is a sharply demarcated epidermal lesion composed of large keratinocytes and characterized by hyperkeratosis, hypergranulosis and orthokeratosis. It usually affects actinically damaged skin...
  45. Mayer M, Anthony J. Radiation therapy for oral tumors: canine acanthomatous ameloblastoma. Can Vet J. 2007;48:99-101 pubmed
  46. Andrews B, Trask D. Oral melanoacanthoma: a case report, a review of the literature, and a new treatment option. Ann Otol Rhinol Laryngol. 2005;114:677-80 pubmed
    ..Argon plasma coagulation is a new treatment option for benign oral lesions and is hypothesized to be efficacious for this rare mucosal disorder...
  47. Martínez Escanamé M, Arzberger E, Hofmann Wellenhof R, Massone C. Multiple clear-cell acanthomas. Australas J Dermatol. 2015;56:e46-8 pubmed publisher
    Clear-cell acanthoma (CCA) usually presents as a solitary lesion involving the lower extremities. The abrupt onset of multiple CCA has been rarely reported. Such presentation may impose clinical diagnostic and therapeutic challenges...
  48. Reguiai Z, Cribier B, Derancourt C, Perceau G, Bernard P. Multiple spreading epidermolytic acanthomas of the genital and perigenital skin. Dermatology. 2005;211:152-4 pubmed
    Epidermolytic acanthoma is an uncommon benign tumour mainly characterized histologically by a prominent epidermolytic degeneration of the keratinocytes of the upper layers of the stratum spinosum and of the stratum granulosum...
  49. Misago N, Sada A, Narisawa Y. Trichoblastoma with a dilated pore. J Am Acad Dermatol. 2006;54:357-8 pubmed
  50. Seguin B, McDonald D, Kent M, Walsh P, Theon A. Tolerance of cutaneous or mucosal flaps placed into a radiation therapy field in dogs. Vet Surg. 2005;34:214-22 pubmed
    ..To determine the clinical outcome and factors affecting cutaneous or mucosal flaps in dogs treated with radiation therapy (RT)...
  51. Ko C, Iftner T, Barr R, Binder S. Changes of epidermodysplasia verruciformis in benign skin lesions: the EV acanthoma. J Cutan Pathol. 2007;34:44-8 pubmed
    ..a pigmented seborrheic keratosis, an isolated papule on the forearm, a perianal lesion, and an acantholytic acanthoma. Because the changes resembled true EV so strongly despite the absence of clinical EV in these patients, we ..
  52. Scheinfeld N. A glistening brown nodule. Pigmented clear cell acanthoma. Arch Dermatol. 2007;143:255-60 pubmed
  53. Morrison L, Duffey M, Janik M, Shamma H. Clear cell acanthoma: a rare clinical diagnosis prior to biopsy. Int J Dermatol. 2010;49:1008-11 pubmed
    Clear cell acanthoma is a rare, benign epidermal tumor with a clinical hybrid appearance and a distinct histological one. It is frequently mistaken for other clinical lesions.
  54. Huther M, Cribier B. [Anatomoclinical study of large-cell acanthoma]. Ann Dermatol Venereol. 2016;143:118-23 pubmed publisher
    Large-cell acanthoma (LCA) is a benign tumour initially described in 1970, since when it has been subject to controversy and remains poorly understood...
  55. Rodriguez Blanco I, Sánchez Aguilar D, Peteiro C, Toribio J. [Malignant degeneration of linear hidroacanthoma simplex]. Actas Dermosifiliogr. 2007;98:578-9 pubmed
  56. Schadt C, Boyd A. Eccrine syringofibroadenoma with co-existent squamous cell carcinoma. J Cutan Pathol. 2007;34 Suppl 1:71-4 pubmed
    ..The differential diagnosis includes poroma, porocarcinoma, fibroepithelioma of Pinkus and clear cell acanthoma. ESFA stain positively with epithelial membrane antigen and carcinoembryonic antigen...
  57. Senol M, Ozcan A, Aydin N, Hazneci E, Turan N. Intertriginous plasmacytosis with plasmoacanthoma: report of a typical case and review of the literature. Int J Dermatol. 2008;47:265-8 pubmed publisher
    ..To our knowledge, this is the first detailed case report, at least in English literature...
  58. González Guerra E, Requena L, Kutzner H. [Immunohistochemical study of calretinin in normal hair follicles and tumors with follicular differentiation]. Actas Dermosifiliogr. 2008;99:456-63 pubmed
    ..Selective immunostaining for calretinin labels the innermost layer of the outer root sheath of normal hair follicles, which is difficult to distinguish with hematoxylin-eosin staining...
  59. Berger T, Stockfleth E, Meyer T, Kiesewetter F, Funk J. Multiple disseminated large-cell acanthomas of the skin associated with human papillomavirus type 6. J Am Acad Dermatol. 2005;53:335-7 pubmed
    ..Further analysis revealed, surprisingly, the presence of human papillomavirus (HPV) type 6 within these lesions. HPV type 6 should therefore be considered an important cofactor in the pathogenesis of large-cell acanthomas...
  60. Dantas T, Nascimento I, Verde M, Alves A, Sousa F, Mota M. Multifocal oral melanoacanthoma associated with Addison's disease and hyperthyroidism: a case report. Arch Endocrinol Metab. 2017;61:403-407 pubmed publisher
    ..This case reinforces the hypothesis of a reactive nature for oral melanoacanthoma and highlights the need for investigation of endocrine disorders in patients with multifocal oral melanoacanthoma...
  61. Kazlouskaya V, Lambe J, Elston D. Solitary epidermolytic acanthoma. J Cutan Pathol. 2013;40:701-7 pubmed publisher
    Solitary epidermolytic acanthoma is thought to be an uncommon lesion. It can present as a solitary, localized or disseminated process that is unrelated to the genetic form of icthyosis.
  62. Balka G, Szabo L, Jakab C. First report of an endometrial adenoacanthoma in a dog. Acta Vet Hung. 2011;59:225-36 pubmed publisher
    ..The tumour was highly infiltrative but did not metastasise to other organs. Detailed immunohistochemical analyses were carried out in order to characterise the immunophenotype of the tumour...
  63. Shon W, Wolz M, Newman C, Bridges A. Reticulated acanthoma with sebaceous differentiation: another sebaceous neoplasm associated with Muir-Torre syndrome?. Australas J Dermatol. 2014;55:e71-3 pubmed publisher
    Reticulated acanthoma with sebaceous differentiation (RASD) represents a rare benign cutaneous epithelial neoplasm with sebaceous differentiation...
  64. das Chagas E Silva de Carvalho L, Farina V, Cabral L, Brandao A, Coletta R, Almeida J. Immunohistochemical features of multifocal melanoacanthoma in the hard palate: a case report. BMC Res Notes. 2013;6:30 pubmed publisher
    ..The differential diagnosis includes oral nevi, amalgam tattoos, and melanomas. We report here the case of a 58-year-old black woman who presented multiple pigmented lesions on the hard palate...
  65. Kuroda N, Wada Y, Inoue K, Ohara M, Mizuno K, Toi M, et al. Smear cytology findings of large cell neuroendocrine carcinoma of the uterine cervix. Diagn Cytopathol. 2013;41:636-9 pubmed publisher
    ..Cytotechnologists or pathologists need to consider a differential diagnosis of LCNEC while examining cervical cytologic specimens; therefore, it is important to correctly identify the cytologic characteristics of this tumor...
  66. Cho S, Lee H, Song K. Acantholytic acanthoma clinically resembling a molluscum contagiosum. J Eur Acad Dermatol Venereol. 2007;21:119-20 pubmed
  67. Jang B, Jang H, Park H, Kim M, Oh C, Kwon K. Multiple scrotal epidermolytic acanthomas successfully treated with topical imiquimod. J Dermatol. 2007;34:267-9 pubmed
  68. Brooks J, Sindler A, Scheper M. Oral melanoacanthoma in an adolescent. Pediatr Dermatol. 2010;27:384-7 pubmed publisher
    ..To extend the knowledge of this lesion, we provide a case of gingival melanoacanthoma in a 17-year-old male patient. In addition, a comprehensive differential diagnosis for gingival hyperpigmentations in young patients is detailed...
  69. Popa C, Stelea C, Popa R, Popescu E. [Oral and perioral endogenous pigmented lesions]. Rev Med Chir Soc Med Nat Iasi. 2008;112:1054-60 pubmed
    ..In this article, pigmented lesions are described to allow practitioner to elaborate a positive diagnosis of endogenous pigmented lesions and to facilitate an early detection of these lesions particularly the malignant ones...
  70. Zedek D, Langel D, White W. Clear-cell acanthoma versus acanthosis: a psoriasiform reaction pattern lacking tricholemmal differentiation. Am J Dermatopathol. 2007;29:378-84 pubmed
    Clear-cell acanthoma (CCA) has been reported to be a benign epidermal neoplasm; however, several authors have suggested alternative differentiation as well as other nosologic categories, including a reactive dermatosis...
  71. Brooks J, Nikitakis N. Gingival pigmentation of recent origin. Oral melanoacanthoma. Gen Dent. 2008;56:105, 108 pubmed
  72. Omulecki A, Lesiak A, Narbutt J, Wozniacka A, Piekarski J, Biernat W. Plaque form of warty dyskeratoma - acantholytic dyskeratotic acanthoma. J Cutan Pathol. 2007;34:494-6 pubmed
    ..The lesion was removed with the final diagnosis of acantholytic dyskeratotic acanthoma. We discuss this case with special regard to the differential diagnosis of other isolated acantholytic acanthomas...
  73. Copcu E, Dikicioglu E, Sivrioglu N, Meteoglu I. Subcutaneous nodules on the face: acantholytic in-transit cutaneous metastasis. Dermatol Surg. 2004;30:1415-9 pubmed
    ..Although skin is the biggest organ of the body, cutaneous or subcutaneous metastasis from internal malignancies or primary skin cancers is very uncommon...