1
|
Affiliation(s)
- Rajendra Singh
- Department of Pathology and Laboratory Medicine, The Mount Sinai Hospital and Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - David Teranno
- Department of Pathology and Laboratory Medicine, The Mount Sinai Hospital and Icahn School of Medicine at Mount Sinai, New York, New York, USA
| |
Collapse
|
2
|
Martinez-Rodriguez M, Thompson AK, Monteagudo C. High CCL27 immunoreactivity in 'supratumoral' epidermis correlates with better prognosis in patients with cutaneous malignant melanoma. J Clin Pathol 2017; 70:15-19. [PMID: 27325798 DOI: 10.1136/jclinpath-2015-203537] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 04/12/2016] [Accepted: 04/30/2016] [Indexed: 02/04/2023]
Abstract
AIMS It has been proposed that the expression of chemokines and chemokine receptors by melanoma cells may have a role in tumour immune escape. Chemokine CCL27 is reported to be expressed specifically on the epidermal keratinocytes. The implication of CCL27 in cutaneous melanomas is currently unresolved. It has been suggested that CCL27 expression in melanomas can induce antitumoral immunity, and that CCL27 may suppress tumour growth probably due to the local lymphocyte recruitment. METHODS We studied CCL27 chemokine expression in three different concentric epidermal areas covering the primary cutaneous melanoma in patients with a long clinical follow-up. Our study included 91 cases of primary melanomas of the skin diagnosed during the 10-year period 1992-2002, and a minimum clinical follow-up of 10 years. RESULTS We evaluated three different concentric and easily reproducible areas in the epidermis: the area covering melanoma (which we called 'supratumoral'), the area adjacent to the tumour ('peritumoral') and the most peripheral epidermal area ('peripheral'). Only CCL27 expression in supratumoral epidermis correlated with clinical outcome. CONCLUSIONS Our study showed that a higher immunostaining of CCL27 in supratumoral epidermis is associated with longer progression-free interval and melanoma-specific survival.
Collapse
Affiliation(s)
- Miguel Martinez-Rodriguez
- Department of Pathology, Hospital Clínico Universitario-INCLIVA, University of Valencia, Valencia, Spain
- Department of Pathology, Telemark Hospital, Skien, Norway
| | - Alec K Thompson
- Department of Dermatopathology and Ocular Pathology, Ullevål University Hospital, University of Oslo Medical Center, Oslo, Norway
| | - Carlos Monteagudo
- Department of Pathology, Hospital Clínico Universitario-INCLIVA, University of Valencia, Valencia, Spain
| |
Collapse
|
3
|
Ghazarian D. Editorial on the skin-themed issue. J Clin Pathol 2016; 68:953. [PMID: 26602412 DOI: 10.1136/jclinpath-2015-203449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Danny Ghazarian
- Laboratory Medicine Program, University Health Network, Toronto, Ontario, Canada Laboratory Medicine and Pathobiology, University of Toronto Melanoma and Skin Site, Princess Margaret Cancer Centre
| |
Collapse
|
4
|
Abstract
The diagnosis of panniculitis is a relatively rare occurrence for many practising pathologists. The smaller subset of lymphocyte-predominant panniculitis is further complicated by the diagnostic consideration of T cell lymphoma involving the subcutaneous tissue, mimicking inflammatory causes of panniculitis. Accurate classification of the panniculitis is crucial to direct clinical management as treatment options may vary from non-medical therapy to immunosuppressive agents to aggressive chemotherapy. Many diseases show significant overlap in clinical and histological features, making the process of determining a specific diagnosis very challenging. However, with an adequate biopsy including skin and deep subcutaneous tissue, a collaborative effort between clinician and pathologist can often lead to a specific diagnosis. This review provides an algorithmic approach to the diagnosis of lymphocyte-predominant panniculitis, including entities of septal-predominant pattern panniculitis (erythema nodosum, deep necrobiosis lipoidica, morphea profunda and sclerosing panniculitis) and lobular-predominant pattern panniculitis (lupus erythematous panniculitis/lupus profundus, subcutaneous panniculitis-like T cell lymphoma, cutaneous γ-δ T cell lymphoma, Borrelia infection and cold panniculitis).
Collapse
Affiliation(s)
- Carolyn J Shiau
- Department of Pathology, Royal Columbian Hospital, New Westminster, British Columbia, Canada Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Marie S Abi Daoud
- Department of Pathology and Laboratory Medicine, University of Calgary and Calgary Laboratory Services, Calgary, Alberta, Canada
| | - Se Mang Wong
- Department of Dermatology and Skin Science, University of British Columbia, Vancouver, British Columbia, Canada
| | - Richard I Crawford
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada Department of Dermatology and Skin Science, University of British Columbia, Vancouver, British Columbia, Canada Department of Pathology, Vancouver General Hospital, Vancouver, British Columbia, Canada
| |
Collapse
|
5
|
Grant C, Chudakova DA, Itinteang T, Chibnall AM, Brasch HD, Davis PF, Tan ST. Expression of embryonic stem cell markers in keloid-associated lymphoid tissue. J Clin Pathol 2016; 69:643-6. [PMID: 27030305 DOI: 10.1136/jclinpath-2015-203483] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Accepted: 03/07/2016] [Indexed: 11/04/2022]
Abstract
AIMS To identify, characterise and localise the population of primitive cells in keloid scars (KS). METHODS 5-µm-thick formalin-fixed paraffin-embedded sections of KS samples from 10 patients underwent immunohistochemical (IHC) staining for the embryonic stem cell (ESC) markers OCT4, SOX2, pSTAT3 and NANOG, and keloid-associated lymphoid tissue (KALT) markers CD4 and CD20. NanoString gene expression analysis and in situ hybridisation (ISH) were used to determine the abundance and localisation of the mRNA for these ESC markers. RESULTS IHC staining revealed the expression of the ESC markers OCT4, SOX2, pSTAT3 and NANOG by a population of cells within KS tissue. These are localised to the endothelium of the microvessels within the KALTs. NanoString gene expression analysis confirmed the abundance of the transcriptional expression of the same ESC markers. ISH localised the expression of the ESC transcripts to the primitive endothelium in KS tissue. CONCLUSIONS This report demonstrates the expression of ESC markers OCT4, SOX2, pSTAT3 and NANOG by the endothelium of the microvessels within the KALTs. These findings show a unique niche of primitive cells within KS, expressing ESC markers, revealing a potential therapeutic target in the treatment of KS.
Collapse
Affiliation(s)
- Chelsea Grant
- Gillies McIndoe Research Institute, Wellington, New Zealand
| | | | | | | | - Helen D Brasch
- Gillies McIndoe Research Institute, Wellington, New Zealand Department of Pathology, Hutt Hospital, Wellington, New Zealand
| | - Paul F Davis
- Gillies McIndoe Research Institute, Wellington, New Zealand
| | - Swee T Tan
- Gillies McIndoe Research Institute, Wellington, New Zealand Wellington Regional Plastic, Maxillofacial & Burns Unit, Hutt Hospital, Wellington, New Zealand
| |
Collapse
|
6
|
Mauzo SH, Ferrarotto R, Bell D, Torres-Cabala CA, Tetzlaff MT, Prieto VG, Aung PP. Molecular characteristics and potential therapeutic targets in Merkel cell carcinoma. J Clin Pathol 2016; 69:382-90. [PMID: 26818033 DOI: 10.1136/jclinpath-2015-203467] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 12/29/2015] [Indexed: 11/03/2022]
Abstract
Merkel cell carcinoma (MCC) is an aggressive neuroendocrine skin tumour occurring preferentially in elderly and immunosuppressed individuals. Multiple studies have provided insight into the molecular alterations of MCC, leading to the design of several ongoing clinical trials testing chemotherapy, targeted therapy and immunotherapy in patients with recurrent or metastatic disease. The results of some of these studies are available, whereas others are eagerly awaited and will likely shed light on the understanding of MCC biology and potentially improve the clinical outcomes of patients with this rare disease.
Collapse
Affiliation(s)
- Shakuntala H Mauzo
- Department of Pathology, The University of Texas Health Science Center, Houston, Texas, USA
| | - Renata Ferrarotto
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Diana Bell
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Carlos A Torres-Cabala
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Michael T Tetzlaff
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Victor G Prieto
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Phyu P Aung
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| |
Collapse
|
7
|
Abstract
Clinical questionA 78-year-old female presented with a pruritic rash on her legs for many years. A biopsy was taken from the right leg. Review the high-quality, interactive digital Aperio slide at http://virtualacp.com/JCP_Case/index.php and consider your diagnosis.What is your diagnosis?
Atrophic lichen planusHyperkeratosis lenticularis perstansLichenoid drug reactionLichenoid keratosisPorokeratosis
Collapse
Affiliation(s)
- Amna Ahmad
- Department of Histopathology, Manchester Royal Infirmary, UK
| | | | | |
Collapse
|
8
|
Li D, Guo B, Li D, Chang C, Lu Q. Primary cutaneous CD4+ small-to-medium-sized pleomorphic T-cell lymphoma: a rare case report of infant. J Clin Pathol 2015; 68:855-8. [PMID: 26112823 DOI: 10.1136/jclinpath-2015-203113] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 06/09/2015] [Indexed: 11/03/2022]
Affiliation(s)
- Duo Li
- Department of Dermatology, Second Xiangya Hospital, Central South University; Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China Department of Pathology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Bin Guo
- Department of Anesthesiology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Daiqiang Li
- Department of Pathology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Christopher Chang
- Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis, Davis, California, USA
| | - Qianjin Lu
- Department of Dermatology, Second Xiangya Hospital, Central South University; Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China
| |
Collapse
|
9
|
Kamil ZS, Chen T, Ghazarian D. Non-infectious granulomatous conditions of the skin: a clinicopathological approach to diagnosis. J Clin Pathol 2015; 68:982-91. [PMID: 25900338 DOI: 10.1136/jclinpath-2015-203043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 04/01/2015] [Indexed: 11/03/2022]
Abstract
Granulomatous disorders of the skin are diverse and include infectious and non-infectious conditions. They are a source of confusion to many dermatologists and pathologists, including even the most experienced dermatopathologists. Correlation with clinical picture, serology, microbiology and careful morphological examination is essential for accurate diagnosis. Most cases require ancillary histopathological studies to reach a final diagnosis. This review discusses important non-infectious granulomatous conditions of the skin and presents a practical approach when confronted with such entities.
Collapse
Affiliation(s)
- Zaid Saeed Kamil
- Department of Laboratory Medicine and Pathobiology, University Health Network, Toronto, Ontario, Canada
| | - Tiffany Chen
- Division of Dermatology, University of Toronto, Toronto, Ontario, Canada
| | - Danny Ghazarian
- Department of Laboratory Medicine and Pathobiology, University Health Network, Toronto, Ontario, Canada
| |
Collapse
|
10
|
Affiliation(s)
- Cliona Ryan
- Department of Histopathology, Our Lady's Children's Hospital, , Crumlin, Dublin, Ireland
| | | | | |
Collapse
|