Publications by authors named "Nektarios Lountzis"

Nephrogenic systemic fibrosis (NSF) is a rare disease that can present in patients with kidney injury who have been exposed to gadolinium-based contrast agents (GBCAs). These patients can easily be misdiagnosed as having another disease because they do not fit the usual presentation of being on hemodialysis. We report a case of NSF occurring in a patient with resolved transient renal insufficiency and no history of chronic renal disease.

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Relapsing polychondritis (RP) is an inflammatory condition that has been widely accepted as autoimmune in nature and can occur in patients with immune system dysregulation. Although RP has been well documented in patients with other autoimmune conditions, such as vasculitis, its presence in patients with human immunodeficiency virus (HIV) infection has been infrequently described. We describe a case of RP in an HIV-positive patient without other identifiable autoimmune disease.

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Article Synopsis
  • Necrobiosis lipoidica (NL) is an inflammatory skin disease linked to diabetes mellitus, presenting as red-brown papules that form plaques on the lower legs.
  • Diagnosis is primarily clinical, but a biopsy can confirm NL.
  • If not treated, NL may ulcerate, leading to additional complications, though it doesn't progress to pyoderma vegetans (PV).
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Article Synopsis
  • - Multinucleate cell angiohistiocytoma is a rare, benign skin condition that typically presents as red-purple papules and nodules on the lower legs, particularly in women. - The condition is characterized by a histopathological finding of narrow blood vessels and multinucleate giant cells within thick collagen, and its exact cause may involve hormonal and other reactive mechanisms. - A case study is reported involving a 74-year-old woman whose diagnosis was delayed for years; while various treatment options like laser therapy were considered, she ultimately did not pursue them, highlighting the need for more awareness and understanding of this rare condition.
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Lichen planus (LP) is a mucocutaneous inflammatory dermatitis of idiopathic origin that can involve the skin, mucous membranes, hair, and nails. LP has an associated set of characteristic histopathologic findings which include hyperkeratosis, vacuolization of the basal layer, Civatte bodies, wedge-shaped hypergranulosis, band-like lymphocytic infiltrate at the dermal epidermal junction, eosinophilic colloid bodies in the papillary dermis, and pigment incontinence. The infiltrate is usually composed of lymphocytes with few histiocytes, mast cells, and macrophages.

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Polyarteritis nodosa (PAN) is a systemic vasculitis which may result in thrombosis or aneurysm formation in any organ of the body. We report a case polyarteritis nodosa (PAN) resulting in bilateral asynchronous testicular necrosis. A 55-year-old male developed acute onset of left testicular pain resulting in a left orchiectomy and right orchidopexy for an ischemic left testicle without evidence of torsion.

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Rosai-Dorfman Disease (RDD) is a rare, idiopathic lymphoproliferative disorder. Central nervous system (CNS) involvement in this disorder is an uncommon manifestation. The clinical and radiographic appearance of CNS RDD is variable, and may mimic more common diseases.

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Zoonoses are infectious diseases that can be transmitted from animals to humans. Transmission occurs directly or through vectors such as ticks, mosquitoes, or flies. The causative agents include bacteria, parasites, viruses, and fungi.

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