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Kajikawa S, Murakami S, Takami A, Satou A, Tsuzuki T, Ogisu T, Yonezawa T, Tanaka H, Kubo A, Ito S. Pseudocarcinomatous Hyperplasia of the Nose and Necrotic Tracheitis Associated with Acute Myeloid Leukemia. Intern Med 2024; 63:2063-2067. [PMID: 38008455 PMCID: PMC11309864 DOI: 10.2169/internalmedicine.2625-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 10/15/2023] [Indexed: 11/28/2023] Open
Abstract
A 29-year-old woman who had been diagnosed with acute myeloid leukemia presented with persistent grade-4 febrile neutropenia (FN) after initial chemotherapy with idarubicin and cytarabine. Despite intensive treatment, FN persisted. Subsequently, her nose became reddish and swollen, obstructing the nasal cavities. Computed tomography revealed swelling of the nostrils and an irregular tracheal surface. Debridement of the nasal lesion and a bronchoscopic biopsy of the tracheal lesion were also performed. A histopathological examination revealed pseudocarcinomatous hyperplasia (PCH) of the nose and necrotizing tracheitis. Both nasal PCH and necrotizing tracheitis ameliorated when the patient recovered from leukocytopenia.
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Affiliation(s)
- Shigehisa Kajikawa
- Department of Respiratory Medicine and Allergology, Aichi Medical University, Japan
| | | | | | - Akira Satou
- Department of Surgical Pathology, Aichi Medical University, Japan
| | - Toyonori Tsuzuki
- Department of Surgical Pathology, Aichi Medical University, Japan
| | - Tomoyuki Ogisu
- Department of Respiratory Medicine and Allergology, Aichi Medical University, Japan
| | - Toshiyuki Yonezawa
- Department of Respiratory Medicine and Allergology, Aichi Medical University, Japan
| | - Hiroyuki Tanaka
- Department of Respiratory Medicine and Allergology, Aichi Medical University, Japan
| | - Akihito Kubo
- Department of Medical Oncology, Oncology Center, Aichi Medical University, Japan
| | - Satoru Ito
- Department of Respiratory Medicine and Allergology, Aichi Medical University, Japan
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Carr RA, Mesiano D, Heffron C, Radonic T, Wiggins J, Tso S, Agrawal R, Cheung E, Slater DN, Nichols L, Craig P. Aberrant p16, p53 and Ki-67 immunohistochemistry staining patterns can distinguish solitary keratoacanthoma from cutaneous squamous cell carcinoma. Pathology 2023; 55:772-784. [PMID: 37573161 DOI: 10.1016/j.pathol.2023.07.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 06/16/2023] [Accepted: 07/09/2023] [Indexed: 08/14/2023]
Abstract
Keratoacanthoma (KA) is widely considered a benign, usually self-resolving, neoplasm distinct from cutaneous squamous cell carcinoma (cSCC), while some consider KA to be indistinguishable from cSCC. Published studies indicate utility for p16, p53, Ki-67 immunostaining and elastic van Gieson (EVG) in the assessment of KA and cSCC. We compared clinical features and staining patterns for p16, p53, Ki-67 and EVG in fully excised KA, cSCC with KA-like features (cSCC-KAL) and other cSCC (cSCC-OTHER). Significant differences between KA, cSCC-KAL and cSCC-OTHER were found for head and neck location (20%, 86%, 84%), and duration <5 months (95%, 63%, 36%). KA shows both a mosaic pattern for p16 (>25-90% of neoplasm area) and peripheral graded pattern for p53 (up to 50% moderate and strong nuclear staining) in 92% compared with 0% of cSCC-KAL and 0% of cSCC-OTHER. In contrast, a highly aberrant pattern (usually null) for one or both p16 and p53, was present in 0% of KA, 83.8% of cSCC-KAL and 90.9% of cSCC-OTHER. Abnormal distribution of Ki-67 beyond the peripheral 1-3 cells was uncommon in KA (4.2%) and common in cSCC-KAL (67.6%) and cSCC-OTHER (88.4%). Moderate to striking entrapment of elastic and collagen fibres was present in the majority of KA (84%), cSCC-KAL (81%) and cSCC-OTHER (65%). KA are clinically distinct neoplasms typically of short duration occurring preferentially outside the head and neck and generally lacking aberrations of p16, p53 and Ki-67, compared with cSCC that have high rates of aberrant or highly aberrant p16, p53 and Ki-67, but EVG lacked specificity.
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Affiliation(s)
- Richard A Carr
- Cellular Pathology, South Warwickshire NHS Foundation Trust, Warwick, UK.
| | - Domenico Mesiano
- Cellular Pathology, South Warwickshire NHS Foundation Trust, Warwick, UK
| | - Cynthia Heffron
- Department of Pathology, Cork University Hospital, Cork, Ireland
| | - Teodora Radonic
- Department of Pathology, Amsterdam University Medical Center, Netherlands
| | - James Wiggins
- Cellular Pathology, South Warwickshire NHS Foundation Trust, Warwick, UK
| | - Simon Tso
- Jephson Dermatology Centre, South Warwickshire NHS Foundation Trust, Warwick, UK
| | - Rishi Agrawal
- Histopathology Department, New Cross Hospital, Wolverhampton, UK
| | - Elaine Cheung
- Department of Pathology, Queen Elizabeth Hospital, Hong Kong
| | | | - Linda Nichols
- Department of Statistics, University of Warwick, Coventry, UK
| | - Paul Craig
- Department of Histopathology, Cheltenham General Hospital, Gloucestershire, UK
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3
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Wu S, Smith CJ, Miedema JR, Googe PB. Updates in Inflammatory Dermatopathology. Semin Diagn Pathol 2022; 39:288-297. [DOI: 10.1053/j.semdp.2022.02.003] [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: 12/13/2021] [Revised: 02/02/2022] [Accepted: 02/15/2022] [Indexed: 11/11/2022]
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Bitar C, Menge TD, Chan MP. Cutaneous manifestations of lupus erythematosus: A practical clinicopathologic review for pathologists. Histopathology 2021; 80:233-250. [PMID: 34197657 DOI: 10.1111/his.14440] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 06/30/2021] [Indexed: 11/27/2022]
Abstract
Accurate diagnosis of connective tissue diseases is often challenging and relies on careful correlation between clinical and histopathologic features, direct immunofluorescence studies, and laboratory workup. Lupus erythematosus (LE) is a prototype of connective tissue disease with a variety of cutaneous and systemic manifestations. Microscopically, cutaneous LE is classically characterized by an interface dermatitis, although other histopathologic patterns also exist depending on the clinical presentation, location, and chronicity of the skin lesions. In this article, we review the clinical, serologic, histopathologic, and direct immunofluorescence findings in LE-specific and LE-nonspecific skin lesions, with an emphasis on lesser known variants, newly described features, and helpful ancillary studies. This review will guide general pathologists and dermatopathologists in accurately diagnosing and subclassifying cutaneous LE.
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Affiliation(s)
- Carole Bitar
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA.,Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Tyler D Menge
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA.,Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA
| | - May P Chan
- Department of Pathology, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA.,Department of Dermatology, Michigan Medicine, University of Michigan, Ann Arbor, MI, USA
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Distinction Between Hypertrophic Lichen Planus and Squamous Cell Carcinoma Requires Clinicopathologic Correlation in Difficult Cases. Am J Dermatopathol 2020; 43:349-355. [PMID: 33395040 DOI: 10.1097/dad.0000000000001776] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
ABSTRACT Distinguishing hypertrophic lichen planus (HLP) and squamous cell carcinoma (SCC) can be diagnostically challenging because of overlapping clinical and histopathological features. This study characterizes histopathological features in HLP and SCC, assessing their utility in diagnosing atypical squamous proliferations. We compared 12 histopathological features of 15 HLP and 11 SCC biopsies from the lower extremities. We then reviewed 16 cases that were diagnosed as atypical squamous proliferations with differential diagnoses of HLP versus SCC. Clinical follow-up allowed for retrospective categorization of these difficult cases as HLP or SCC. HLP showed significant differences in hyperorthokeratosis (P = 0.04), wedge-shaped hypergranulosis (P = 0.0033), and irregular psoriasiform hyperplasia (P = 0.004), whereas parakeratosis (P = 0.001), solar elastosis (P = 0.001), deep extension (P = 0.02), and perforating elastic fibers (P = 0.0001) were significant for SCC. A scoring system based on these significant differences was devised to aid the classification of difficult cases. 56% of the difficult cases received an "indeterminate" score. A score favoring HLP had a sensitivity of 44% and a specificity of 71%. Although significant differences were identified between cases of definitive HLP and SCC, these histopathological features were unable to distinguish difficult cases, highlighting the need for clinicopathological correlation in patients with atypical squamous proliferations of the lower extremities. Many difficult cases had histologic features that could not be evaluated because of the superficial nature of the biopsy. Therefore, obtaining a deep wedge or punch biopsy may facilitate a diagnosis in cases with a differential diagnosis of HLP and SCC.
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Fraga GR, Chow P. Plasmacytoid dendritic cells in keratoacanthoma and squamous cell carcinoma: A blinded study of CD123 as a diagnostic marker. J Cutan Pathol 2019; 47:17-21. [PMID: 31449667 DOI: 10.1111/cup.13573] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 08/21/2019] [Accepted: 08/23/2019] [Indexed: 01/21/2023]
Abstract
BACKGROUND Histopathologic distinction between keratoacanthoma (KA) and squamous cell carcinoma (SCC) is challenging. We surmised that a discriminatory immunostain would be clinically meaningful. Previous investigators have found CD123-positive plasmacytoid dendritic cells (PDCs) are more prominent in KA than SCC. We sought to determine if CD123 immunostaining might have value as a diagnostic test for distinguishing KA from SCC. METHODS We used blinded, semi-automated image analysis to compare CD123 expression in 66 KAs and 63 SCCs in a tissue microarray. RESULTS PDCs were present in both KA and SCC. Mean PDC frequency was higher in KA than SCC (14.2 vs 11.2 mean cells/0.0945 square mm) but the difference was not statistically significant (P = 0.1240). There was no significant difference in mean PDC cluster frequency, mean intratumoral PDC frequency, or the percentage of PDCs as proportion of the total mononuclear inflammatory cell infiltrate between KA and SCC. CONCLUSION CD123 immunostaining is not a clinically useful test for distinguishing KA from SCC.
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Affiliation(s)
- Garth R Fraga
- Department of Pathology, University of Kansas School of Medicine, Kansas City, Kansas
| | - Peter Chow
- Department of Internal Medicine, Scripps Mercy Hospital, San Diego, California
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Totonchy MB, Leventhal JS, Ko CJ, Leffell DJ. Hypertrophic Lichen Planus and Well-Differentiated Squamous Cell Carcinoma: A Diagnostic Conundrum. Dermatol Surg 2018; 44:1466-1470. [PMID: 29360655 DOI: 10.1097/dss.0000000000001465] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Mariam B Totonchy
- Department of Dermatology, Yale School of Medicine, New Haven, Connecticut
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Abstract
Cutaneous squamous cell carcinoma (cSCC) is a malignant neoplasm of the skin characterized by an aberrant proliferation of keratinocytes. Cutaneous SCC is the second most common malignancy globally, and usually arises in the chronically sun-damaged skin of elderly white individuals. From a pathologist's perspective, it is important to differentiate cSCC from the benign and reactive squamoproliferative lesions and identify the high-risk features associated with aggressive tumor behavior. In this article, we provide an up-to-date overview of cSCC along with its precursor lesions and important histologic variants, with a particular emphasis on the histopathologic features and molecular pathogenesis.
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Abstract
Hypertrophic discoid lupus erythematosus can resemble keratoacanthoma histomorphologically. We describe a unique case of eruptive keratoacanthomatous scaly papules in a 56-year-old woman with discoid lupus erythematosus. We review the literature and conclude by discussing important histologic features and useful immunostains to consider when attempting to discern the underlying identity and pathogenicity of such lesions.
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Affiliation(s)
| | - Cynthia Magro
- Pathology, New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
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Levandoski KA, Nazarian RM, Asgari MM. Hypertrophic lichen planus mimicking squamous cell carcinoma: The importance of clinicopathologic correlation. JAAD Case Rep 2017; 3:151-154. [PMID: 28374001 PMCID: PMC5367790 DOI: 10.1016/j.jdcr.2017.01.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Affiliation(s)
- Katherine A Levandoski
- Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Population Medicine, Harvard Medical School, Boston, Massachusetts
| | - Rosalynn M Nazarian
- Department of Pathology, Dermatopathology Unit, Massachusetts General Hospital, Boston, Massachusetts
| | - Maryam M Asgari
- Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Population Medicine, Harvard Medical School, Boston, Massachusetts
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Acantholytic squamous cell carcinoma is usually associated with hair follicles, not acantholytic actinic keratosis, and is not "high risk": Diagnosis, management, and clinical outcomes in a series of 115 cases. J Am Acad Dermatol 2016; 76:327-333. [PMID: 27889291 DOI: 10.1016/j.jaad.2016.09.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 09/14/2016] [Accepted: 09/20/2016] [Indexed: 11/23/2022]
Abstract
BACKGROUND Acantholytic squamous cell carcinoma (aSCC) is regarded as a high-risk variant of cutaneous squamous cell carcinoma (SCC). Acantholytic actinic keratosis (aAK) has been regarded as a precursor risk factor for aSCC. However, supporting evidence is limited. OBJECTIVE We sought to document clinical features, histologic features, management, and outcomes in a series of aSCC cases. METHODS Definitions of aSCC, aAK, and aSCC arising in association with aAK were applied to a consecutive series of aSCC cases. Clinical characteristics and outcomes were obtained from electronic medical records. RESULTS Of 115 aSCC cases (103 patients, mean age 71.8 years), actinic keratosis was present in 23% (27/115) but only 7.8% (9/115) exhibited associated aAK. Ten cases (10/115, 9%) fulfilled strict histologic criteria for follicular SCC as previously defined, but 50 of 115 (43%) of our aSCC cases exhibited predominant involvement of follicular epithelium rather than epidermis. Clinical outcome (median follow-up, 36 months) was available in 106 of 115 (92%). One patient experienced regional extension (parotid), and 1 patient experienced a local recurrence (nose). No disease-related metastases or deaths were documented. LIMITATIONS This was a single-institution retrospective study from the United States. CONCLUSIONS The presence of acantholysis in cutaneous SCC does not specifically confer aggressive behavior, a finding that may inform clinical practice guidelines.
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Lesions With an Epidermal Hyperplastic Pattern: Morphologic Clues in the Differential Diagnosis. Am J Dermatopathol 2016; 38:1-16; quiz 17-9. [PMID: 26730692 DOI: 10.1097/dad.0000000000000324] [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
In this report, we review the most common entities that show a epidermal hyperplastic pattern in the biopsy. These entities include inflammatory, reactive, infectious, hamartomatous, and tumoral conditions, each with a very different prognosis. Therefore, an approach based on the classic "patterns and clues" tools used in dermatopathology can bring a lot of information to the dermatopathologist or the general pathologist evaluating these lesions.
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Fernandez-Flores A. Transepidermal elimination of mucin is a very common but not yet reported phenomenon in digital myxoid cysts: a study of 35 cases. J Cutan Pathol 2015; 42:974-977. [DOI: 10.1111/cup.12602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2014] [Revised: 12/04/2014] [Accepted: 02/16/2015] [Indexed: 10/23/2022]
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