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Congenital atrichia with papular lesions is a rare, autosomal recessive and irreversible form of total alopecia of the body hair characterized by hair loss soon after birth and the development of keratinfilled cysts or horny papules over extensive areas of the body. The condition is associated with a mutation of the human hairless gene on chromosome region 8p12. We report a 1-year-old boy presenting with the absence of scalp and body hair since birth. On examination, he had complete absence of hair on the scalp, eyebrows, and eyelashes. Multiple, discrete, pearly-to-skin-colored papules of 1-3mm in size were present over the scalp. The skin biopsy from a scalp papule revealed normal overlying epidermis with multiple keratin cysts and hypoplastic hair follicles in the upper dermis.

Numerous disorders present with vesiculopustular eruptions in the neonatal period, ranging from benign to life-threatening. Accurate and prompt diagnosis is imperative to avoid unnecessary testing and treatment for benign eruptions, while allowing for adequate treatment of potentially fatal disorders. In this review, we highlight several rare blistering diseases of the newborn. A diagnostic approach is outlined to provide clinicians with a framework for approaching a neonate with vesicles, pustules, or ulcers., Competing Interests: Disclosure The authors have nothing to disclose., (Copyright © 2019 Elsevier Inc. All rights reserved.)

Congenital atrichia with papular lesions (APL) is a disease characterized by the complete absence of hair from the whole body occurring within a few months of birth and the presence of papules distributed over the body. A 9-year-old boy presented with sparse hair over his body and with a history of losing his hair soon after birth. Multiple skin-colored papules were observed over the scalp. A biopsy from a papule showed keratinous cysts in the dermis and the absence of hair follicles. A diagnosis of congenital APL was made after vitamin D-dependent rickets was excluded. This case highlights congenital APL as a cause of total alopecia.

Competing Interests: Competing interests: None declared.

Neutrophilic dermatoses are a group of inflammatory skin disorders characterized by an overactive innate immune system with dysregulation of neutrophils without underlying infectious etiology. The major representative conditions discussed are Sweet syndrome; pyoderma gangrenosum; neutrophilic eccrine hidradenitis; palmoplantar eccrine hidradenitis; subcorneal pustular dermatoses; bowel-associated dermatosis arthritis syndrome; and synovitis, acne, pustulosis, hyperostosis, and osteitis. We will also discuss other neutrophilic conditions present almost exclusively in the pediatric population, including congenital erosive and vesicular dermatosis with reticulated supple scarring and the recently described group of autoinflammatory diseases. The clinical characteristics, diagnostic approach, and treatment management in the pediatric and adult population are discussed., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Congenital erosive and vesicular dermatosis with reticulated supple scarring is a rare cutaneous disorder of unknown aetiology first described by Cohen and colleagues in 1985. It classically presents in the neonate as erosions and vesicles that heal within the first months of life, with supple scarring of a reticulated pattern. Along with a review of the literature, this article presents two atypical cases of congenital erosive and vesicular dermatosis with reticulated supple scarring. Patient one presented with neither erosions nor vesicles at birth, yet continued to experience sporadic blistering at the age of 15 months and patient two is the second documented case to develop congenital erosive and vesicular dermatosis after birth., (© 2017 The Australasian College of Dermatologists.)

Purpose of Review: Neonatal blistering diseases are rare yet potentially fatal. Therefore, it is crucial for clinicians to know its broad range of differential diagnoses. This review discusses the recent literature on the causes and the most appropriate clinical approach to neonatal blistering diseases., Recent Findings: Neonatal infections are the commonest causes for neonatal blistering. On the other hand, autoimmune blistering diseases are extremely rare with the literature limited to case reports and one systematic review only. Inherited genodermatoses are also rare, with recent developments in epidermolysis bullosa classification., Summary: In conclusion, as neonatal infections are the commonest cause for blistering, any neonate with blistering should have their blister fluid investigated for infection, while an antimicrobial should be initiated early. Autoimmune blistering diseases should be considered in neonates with a maternal history of autoimmune blistering disease. Although pemphigus and bullous pemphigoid have overall good prognoses, linear IgA bullous dermatoses has a poor prognosis and requires aggressive treatment. Inherited genodermatoses should be suspected when there is a family history of genodermatoses or consanguinity. In this case, the clinician should not hesitate to seek dermatology advice, perform a skin biopsy and consider genetic testing.

We report the ocular findings in a 2.5-year-old girl with a history of congenital erosive and vesicular dermatosis at birth. We highlight the complexity of the associated nasolacrimal duct obstruction with canalicular scarring and review the ocular manifestations of this rare disease., (Copyright © 2014 American Association for Pediatric Ophthalmology and Strabismus. Published by Mosby, Inc. All rights reserved.)

Background: Congenital erosive and vesicular dermatosis (CEVD) healing with reticulated supple scarring, a condition usually observed in premature neonates, presents at birth with vesicles and erosions. Lesions typically heal within a few months, leaving behind scarring with a distinctive supple and reticulated texture., Objectives: We sought to merge existing literature with new cases to further define CEVD., Methods: We analyzed 19 previous reports of CEVD and added 9 additional patients; we identified unifying characteristics of this cohort., Results: In 28 total cases, notable features included: preterm birth (79%), nail abnormalities (46%), hyperthermia/hypohidrosis (46%), a history of maternal chorioamnionitis (43%), alopecia (43%), neurodevelopmental and ophthalmologic abnormalities (36% each), tongue atrophy (29%), or a combination of these. Patients with CEVD may be prone to postnatal herpetic superinfections. Previously unreported findings included: erosive lichen planus, digital tip gangrene, and hydronephrosis., Limitations: The small patient sampling makes it difficult to define diagnostic criteria. As certain findings are associated with prematurity, it is unclear to what extent these features result from CEVD, premature birth, or another intrauterine pathology., Conclusions: Although rare, CEVD should be considered in the differential diagnosis of neonatal vesicles/erosions in the context of a negative infectious workup. This review strengthens the spectrum of CEVD features, thus facilitating its recognition by clinicians., (Copyright © 2013 American Academy of Dermatology, Inc. Published by Mosby, Inc. All rights reserved.)

Congenital erosive and vesicular dermatosis healing with reticulated supple scarring is a rare entity presenting in the newborn with crusted erosions and vesicles that heal relatively rapidly, forming unique reticulated scars. We report the case of a premature baby 31 weeks old. Diagnosis was confirmed by skin biopsies, and the clinical improvement was excellent, with complete healing observed within 7 weeks. This report highlights clinical and histopathologic features, and a new successful treatment approach using a silicone dressing.

Congenital erosive and vesicular dermatosis healing with reticulated supple scarring is a rare disease first reported by Cohen et al in 1985. To date only 13 cases of this disease have been reported. This entity is characterized by the presence of erosions and vesicles at birth, usually affecting about 75% of the body which heals with reticulated scarring in weeks to months. We report a case of this disease related to a boy who was born with erosions affecting his head, trunk, and limbs. All lesions healed completely after 3 months with reticulated scarring without any clinical complications.

We present the case of a newborn with congenital absence of skin in the anterior part of the left leg that shortly after developed bulla and erosions in hands, feet, ears, buttocks and mouth. The cutaneous biopsy and ultrastructural and immunohistochemical studies showed a subepidermal bulla in the lamina lucida, absence of hemidesmosomes and marked decrease of laminin 5, thus establishing the diagnosis of Bart syndrome associated to the Herlitz form of lethal junctional epidermolysis bullosa. Bart syndrome consists of congenital and localized absence of skin, nail abnormalities and mucoc-cutaneous bullae. It is usually associated to dystrophic epidermolysis bullosa. The Herlitz form of junctional epidermolysis bullosa is a rare variant, usually lethal that is produced by mutations in the genes coding for the anchor protein laminin 5. To our knowledge this is the second case that reports an association between Bart syndrome and lethal junctional epidermolysis bullosa and the first in which the results of immunofluorescence mapping are published.

An 8-year-old boy born prematurely at 26 weeks' gestation presented with a reticulate scar on the left cheek. This started as an eroded area on day 3 postpartum, followed by crusting and scarring. There were also linear scars on the left forearm, left lower back and abdomen. The clinical picture fits the entity of congenital erosive and vesicular dermatosis. This retrospective case report delineates the outcome with diagnosis only evident after an 8-year time period.

Congenital erosive and vesicular dermatosis healing with reticulated supple scarring is a rare entity presenting in the newborn with crusted erosions and vesicles that heal relatively rapidly, forming unique reticulated scars. A 9-year-old boy presented with a diagnosis of junctional epidermolysis bullosa, but displayed this characteristic scarring pattern and very mild ongoing blistering. In addition, he had severe chronic conjunctivitis due to cicatricial alopecia of the eyelashes and lacrimal duct obstruction. He had no evidence of enamel defects or other features of junctional epidermolysis bullosa. Ultrastructural analysis of his skin biopsy specimens showed a normal dermoepidermal junction. This characteristic scarring disorder may be associated with mild ongoing blistering and must be distinguished from other congenital blistering disorders.

Congenital erosions and vesicles that heal with reticulate scarring comprise a new entity first described in 1985 in 3 girls aged 3, 5 and 6 years. Two years later, an 8-year-old boy in whom the skin lesions were accompanied by neurological disorders was described, as in one of the patients described in the 1985 study. In 1990, similar findings were reported in a neonate, and recently the 7th case has been reported in the American literature. We describe an 8-month-old infant born with cutaneous lesions that subsequently formed reticulate scars peculiar to this clinical entity, which is characterized by variable clinical and histological expression.

Congenital erosive and vesicular dermatosis with reticulated, supple scarring is a rare disease seen at birth with blisters that become eroded and crusted and then heal with characteristic scars. We report the seventh case in the American literature, and the first description of biopsy specimens of early lesions. The acute skin lesions were characterized by sterile, neutrophilic infiltrates in the dermis.

Kindler syndrome is a rare, blistering skin disease characterized by acral bullae, poikiloderma, and diffuse cutaneous atrophy. Kindler syndrome has been established as a separate entity from epidermolysis bullosa; however, controversy still remains as to whether Kindler syndrome can be differentiated from Weary's hereditary acrokeratotic poikiloderma. Fusion of the digits secondary to blistering and scarring, "pseudosyndactyly," has been reported in several patients with Kindler syndrome; however, surgical correction of the syndactylies in these patients has not been described. In this report, a patient with Kindler syndrome underwent surgical treatment of acquired syndactylies. Treatment included a tailored approach to preparation of the patient for surgery, surgical separation of fused tissues, selection of donor site for skin-graft harvest, postoperative dressings, splinting, and therapy. Results in our patient 2 years after correction demonstrate that syndactyly release in Kindler syndrome can be accomplished effectively, with improvement in both function and appearance.

The case of a neonate with cutaneous lesions consistent with epidermal naevi is presented. In addition to typical epidermal naevi, this baby had an unusual, bullous form of aplasia cutis congenita. Although aplasia cutis has been described as bullous and has been found in association with the epidermal naevus syndrome, both of these occurrences are rare in medical publications. This case illustrates an unusual presentation of epidermal naevi with bullous aplasia cutis congenita and raises difficult diagnostic and counselling issues.

Transient bullous dermolysis of the newborn consists of congenital skin defects and a tendency for blistering of the skin and mucous membranes during the neonatal period. A case of transient bullous dermolysis of the newborn associated with Wilms' tumor is reported. Transient bullous dermolysis of the newborn does not represent an obstacle to administering appropriate chemotherapy when simple precautions are taken.

Miliaria crystallina is characterized by intracorneal or subcorneal, 1 to 2 mm, clear, noninflammatory vesicles that typically appear in crops after a severe sunburn or during a febrile illness. They frequently occur in neonates, most likely due to lack of maturation of the sweat duct during the first few days following birth, but are rarely present at delivery. We describe here a patient with extensive miliaria crystallina that was present at birth and review possible theories of the pathogenesis of these lesions.

A 39 years old female patient with congenital erythroderma is reported. The condition was considered as the non bullous type of Brocq's congenital ichthyosiform erythroderma until recently. The patient was admitted as she had generalized erythema, desquamation and oedema, pyrexia and oliguria. The scales were fine and small, quite different from those of lamellar ichthyosis. The patient developed a recidivant pustular eruption on palms, face and trunk. So the diagnosis was changed to congenital psoriasiform erythroderma and this was supported by histopathological examination of both scaling and pustular lesions. There was a remarkable improvement on amethopterin therapy. The case is discussed and the relevant litterature is reviewed.

Clinical, morphological, ultrastructural and immunological studies were performed in a case of congenital self-healing non-Langerhans cell histiocytosis. The patient showed several aspects that have not been published before: a large nodule in the vulvar region, vesiculobullous elements and pneumonia (asymptomatic). The relationship of the vesicles and pneumonia to the histiocytic disorder is not clear. Ultrastructurally, worm-like (comma-shaped) particles, dense bodies and Birbeck granules were not found. Histiocytes were Leu-6 negative, and S100 (partly), Leu M3 and HLA-DR positive. Positive reactions were also obtained with anti-lysozyme and non-specific esterase. Several aspects of this case and of others described previously are discussed.

Epidermolytic hyperkeratosis was noted as an incidental finding in normal mucosa in a histologic specimen taken during wide excision of basal cell and squamous cell carcinomas of the lip and adjacent cheek.

A black baby, born at full term of a normal healthy mother, showed multiple erosions and ulcers. No history of skin diseases was known in the family. A skin biopsy taken shortly after birth from an arm lesion showed subepidermal edema and cavity formation. Electron microscopy showed clumping of microfibrils and anchoring fibril-like fibers at the dermo-epidermal junction. In more severely affected areas, absence of anchoring fibrils and collagenolysis were found and the diagnosis of dystrophic epidermolysis bullosa was made. Two weeks later, the lesions healed without leaving scars and a second biopsy from the chest area revealed typical histopathology of epidermolytic hyperkeratosis.