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Innovative Medicines & Omics                                       Vitamin D deficiency and cherry angiomas



            for lesions that are numerous, rapidly proliferating, or   cherry angiomas. The patient reported the sudden onset
            cosmetically concerning. Despite their benign nature,   of multiple erythematous, dome-shaped lesions, 2 – 5 mm
            sudden eruptions of cherry angiomas have been linked to   in diameter, predominantly localized to the breast and
            various systemic conditions, underscoring the need for a   neck regions (Figure 1). These lesions were asymptomatic

            deeper understanding of their pathogenesis and potential   but raised concern due to their abrupt appearance and
            triggers. 2                                        clustering, prompting clinical investigation.
              Vitamin D, a fat-soluble secosteroid, plays a pivotal role   Comprehensive laboratory evaluations were performed
            in calcium homeostasis, bone metabolism, and immune   to identify potential systemic conditions. A complete blood
            regulation. Beyond these traditional roles, Vitamin D   count  revealed  normal  values:  White  blood  cell  count
            exerts broad effects on cellular growth, differentiation,   of  6,500/µL  (normal:  4,000  –  11,000/µL),  hemoglobin
            and angiogenesis.  Deficiency in Vitamin D, particularly   level of 13.8  g/dL (normal: 12 – 15  g/dL), and platelet
                          3
            in its severe forms, has been implicated in a range of   count  of  265,000/µL  (normal:  150,000  –  450,000/µL).
            dermatological conditions, including psoriasis, eczema,   Liver  function  tests  showed  aspartate  aminotransferase
            and delayed wound healing. At a molecular level, Vitamin   and alanine aminotransferase levels of 25 U/L and
            D regulates gene expression through its active form,   30 U/L, respectively (normal: 10 – 40 U/L and 7 – 56 U/L),
            1,25-dihydroxyvitamin D (calcitriol), which binds to the   excluding hepatic dysfunction. Renal function tests
            Vitamin D receptor (VDR) expressed in various tissues,   were within normal limits, with a serum creatinine level
            including the skin.  Through VDR signaling, Vitamin D   of 0.9 mg/dL (normal: 0.6 – 1.2 mg/dL) and blood urea
                           4
            modulates pathways that regulate inflammation, immune   nitrogen of 15 mg/dL (normal: 7 – 20 mg/dL), ruling out
            responses, and endothelial function. Given the established   renal impairment. A lipid profile was within normal ranges,
            link between Vitamin D and vascular health, it is plausible   with total cholesterol at 170 mg/dL (normal: <200 mg/dL),
            to hypothesize that severe Vitamin D deficiency could   triglycerides at 110 mg/dL (normal: <150 mg/dL), high-
            contribute to the development of cherry angiomas.  One   density lipoprotein at 65  mg/dL (normal: ≥60  mg/dL),
                                                      5
            proposed mechanism involves endothelial dysfunction and   and low-density lipoprotein at 90  mg/dL (normal:
            increased oxidative stress resulting from impaired VDR   <100 mg/dL). Thyroid function tests revealed a thyroid-
            signaling. Vitamin D deficiency may disrupt angiogenesis,   stimulating hormone level of 2.2  mIU/L (normal: 0.4 –
            leading to excessive capillary proliferation and structural   4.0 mIU/L) and free thyroxine at 1.5 ng/dL (normal: 0.8
            changes  in dermal  blood  vessels.  On a  molecular level,   – 2.8 ng/dL), excluding thyroid dysfunction. Inflammatory
            Vitamin D is known to inhibit pro-angiogenic factors   markers, including C-reactive protein at 6 mg/L (normal:
            such as vascular endothelial growth factor (VEGF).  In the   <10 mg/L) and erythrocyte sedimentation rate at 12 mm/h
                                                     6
            context of Vitamin D deficiency, upregulation of VEGF   (normal: 0 – 20 mm/h), were also within normal limits,
            and other angiogenic mediators may promote capillary   ruling out systemic inflammation.
            dilation and proliferation, leading to the development of   However, serum Vitamin D levels revealed a profound
            cherry angiomas. 7
                                                               deficiency, measuring 3  ng/mL (normal range: 30
              In this  report, we  present the  case of a  27-year-old   – 100  ng/mL). This was the only abnormal finding and
            married female who experienced a sudden onset of cherry   warranted further exploration as a potential contributing
            angiomas localized to the breast and neck regions. Clinical   factor to the pathogenesis of cherry angiomas. Given the
            evaluation  and  laboratory  investigations  revealed  severe   absence of other systemic or local triggers, we hypothesize
            Vitamin D deficiency, with serum levels significantly below   that the patient’s severe Vitamin D deficiency may have
            the normal range. In the absence of other systemic or local   contributed to endothelial dysfunction and dysregulated
            triggers, we propose that severe Vitamin D deficiency   angiogenesis. These mechanisms align with emerging
            contributed to their development. This case highlights   evidence linking Vitamin D to vascular stability and capillary
            a novel hypothesis linking severe Vitamin D deficiency   proliferation. Vitamin D plays a crucial role in endothelial
            to cherry angiomas through endothelial and angiogenic   homeostasis by suppressing pro-angiogenic mediators such
            dysregulation. Further studies are warranted to explore   as VEGF. A  deficiency in Vitamin D may disrupt these
            this association on a larger scale and to elucidate the   pathways, promoting capillary dilation and proliferation,
            underlying molecular mechanisms.                   which could explain the sudden onset of cherry angiomas in
                                                               this patient. This case highlights a novel hypothesis linking
            2. Case presentation                               severe Vitamin D deficiency to the development of cherry

            We describe a 27-year-old Arab female with no significant   angiomas and underscores the need for further research to
            medical history and genetic or familial predisposition to   investigate the underlying mechanisms. 8


            Volume 2 Issue 2 (2025)                        114                               doi: 10.36922/imo.8087
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