DermKnowledgeBASE: Plasmacytosis


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The text is the summary of recent articles on Plasmacytosis at 75 thresold from National Library of Medicine (NLM). This information is subject to NCBI's Disclaimer and Copyright notice.

We report a case of a 67-year-old Woman with an Inflammatory ulcerated Plaque in the left masseter region [1]. Few cases of isolated Benign primary cutaneous plasmacytosis have been described, particularly in Children [2]. This rare type of MCL can be misdiagnosed clinically and histologically as CD [3]. Clinical, endoscopic, fecal and histological activities were determined using the partial Mayo subscore, Mayo endoscopic subscore and modified Mayo endoscopic subscore, fecal calprotectin and Geboes score and the presence of basal plasmacytosis, respectively [4]. In our experience, we found that marked Bone marrow eosinopenia was a very frequent accompaniment of VL and might be a useful clue for the diagnosis, which indicates the opportunity for further morphological assessment [5].

Peripheral blood and Bone marrow aspiration of patients with Bone marrow aspirate confirmed VL were examined [6]. These observations highlight the need for IgG4 immunohistochemical staining of esophageal biopsies especially in patients with Mucosal ulceration, Chronic Inflammation, and plasmacytosis on biopsy [7]. Using the immunocompetent 5T33MM model, we demonstrated a significant reduction in BM-plasmacytosis and M-protein levels in mice infected with T [8]. Disease stage, gender, pathological fractures, Bone marrow plasmacytosis, plasmacytomas and lymphocyte counts were comparable, emphasising the difficulty of identifying these patients [9]. Correlation with clinical indices including Mayo endoscopy subscore and Pediatric Ulcerative Colitis Activity Index was performed [10].

A severe Mayo endoscopy subscore was most common among those with severe acute and Chronic Inflammation, although this relationship was not Linear [11]. We present a case of cutaneous plasmacytosis in a 46-year-old Korean male [12]. We highlight the initial Pathology findings, including non-caseating granulomas, sialadenitis, and a notable plasmacytosis, from Biopsy of the left retromolar pad area, which triggered further testing for CD [13]. We present here a rare case of cutaneous plasmacytosis from India of Mongolian descent [14]. Persistent Renal Failure in myeloma is commonly caused by tubular nephropathy due to circulating immunoglobulins and free light chains [15].

Myeloma cast nephropathy is characterized by crystalline precipitates of monoclonal light chains within distal tubules [16]. Immunoglobulin crystallization rarely occurs intracellularly, within Proximal tubular cells (light chain Proximal tubulopathy) and interstitial histiocytes (crystal-storing histiocytosis) [17]. Serum and urine immunofixation electrophoresis showed a free κ monoclonal band [18]. Bone marrow aspiration and Biopsy revealed hypercellularity with marked plasmacytosis [19]. Immunohistochemical examination indicated intense staining for κ light chains within casts, histiocytes, and tubular epithelial cells [20].

According to these results, we confirmed that this patient with myeloma exhibited simultaneous light chain Proximal tubulopathy, crystal-storing histiocytosis, and myeloma cast nephropathy, which were attributed to monoclonal κ light chains [21]. The affected lymph nodes showed colonization of the follicles by clusters of large atypical plasmablasts, but also showed regressive changes with vascular proliferation and interfollicular plasmacytosis, both reminiscent of human herpesvirus 8 (HHV-8) positive multicentric Castleman disease [22]. Because of the retrospective nature of our study, we could only evaluate the results of a single IgG4 test for each patient, but the results pointed to cutaneous plasmacytosis in all 9 patients, who had different stages of the disease [23]. The dog was hypoglobulinemic but had a monoclonal IgA gammopathy detected by serum immunofixation electrophoresis [24]. The patient died from abrupt splenic rupture before diagnostic work-up was finished [25].

The faecal levels of calprotectin and Neutrophil gelatinase B-associated lipocalin were statistically higher for patients with endoscopic lesions and histological activity [26]. In 2007, a mink plasmacytosis outbreak began on the Island of Newfoundland, and the virus has been endemic in farms since then [27]. In this review, we present common and representative nonneoplastic entities and lymphomas that have plasmacytic differentiation or associated plasmacytosis [28].

References: 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 ,

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About Me

I have varied research interests ranging from eHealth, Health Information Exchange, Clinical Trials and Research, Contact Dermatitis, Bioinformatics, and Cosmetic Dermatology. I have work experience in Canada as an eHealth analyst, and in Dubai and India as a Specialist Dermatologist.


Bell Raj Eapen
Hamilton, ON