Acalvaria

Hawasli, Ammar H.; Beaumont, T; Vogel, Timothy W.; Woo, Albert S.; Leonard, Jeffrey R.

doi:10.3171/2014.5.peds13688

Cited by 8 publications

(4 citation statements)

References 7 publications

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“…This is most notably remarked by craniosynostosis literature, in which spontaneous closure of surgical defects is frequently encountered. 10,11 For this reason, cranioplasty in infants with large cranial defects should be judiciously considered given the possibility of spontaneous bone regeneration as in our patient, where we could also demonstrate the spontaneous reconstruction of the skull defect happening within a reasonable or acceptable time period.…”

Section: Discussionmentioning

confidence: 82%

Spontaneous Reossification Following Craniectomy in a Pediatric Patient

Soliman

Sobti

Rao

et al. 2022

The Cleft Palate Craniofacial Journal

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Spontaneous reossification following a cranial defect is described by only a few case reports. A 6-month-old male with epidural hematoma underwent decompressive craniotomy, subsequently complicated by scalp abscess requiring removal of the bone flap. On serial outpatient follow-up, the patient demonstrated near-complete resolution of cranial defect over the course of 18 months, thus deferring the need for future cranioplasty. Prior articles have identified this occurrence in children and young adults; however, the present case is the first to report of this phenomenon in an infant less than 1 year of age. A brief review of the literature is provided with the proposed physiologic underpinning for the spontaneous reossification observed. While prior studies propose that recranialization is mediated by contact with the dura mater and pericranium, new investigations suggest that calvarial bone repair is also mediated by stem cells from the suture mesenchyme.

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Section: Discussionmentioning

confidence: 82%

Spontaneous Reossification Following Craniectomy in a Pediatric Patient

Soliman

Sobti

Rao

et al. 2022

The Cleft Palate Craniofacial Journal

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“…The locations are not randomly distributed over the neural tube ( P = 2.0*10 −5 ) but show a preference for the occipital region, vertebrae C6 till T3 and the region between T8 and S1 with a peak at L5. (Richards et al, ; Tekkok, ; Etus et al, ; Singh and Singh, ; Srinivas et al, ; Ahmad and Mahapatra, ; Vashu and Liew, ; Bear et al, ; Carmody et al, ; Dankovcik et al, ; Singh and Singh, ; Singh et al, ; Vogel et al, ; Ahmed et al, ; Herman et al, ; Leykamm et al, ; Mahalik et al, ; Meuli et al, ; Sarici et al, ; van Aalst et al, ; Yang et al, ; De la Calle et al, ; Garg et al, ; Gressot et al, ; Hawasli et al, ; Leoni et al, ; Meadows and Hayes, ; Meunier et al, ; Perez da Rosa et al, ; Anand and Mahmoud, ; Canaz et al, ; Hanaei et al, ; Paul et al, ; Radtke et al, ; Ramdurg et al, ; Sargar et al, ; Wood et al, ; Arishima et al, ; Clark and Davidson, ; Dickman et al, ; Dorum et al, ; Santos et al, ; Sharma et al, ; Zhou and Zheng, ). [Color figure can be viewed at http://wileyonlinelibrary.com]…”

Section: Materials and Methods And Resultsmentioning

confidence: 99%

Single‐site neural tube closure in human embryos revisited

et al. 2017

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Since the multi-site closure theory was first proposed in 1991 as explanation for the preferential localizations of neural tube defects, the closure of the neural tube has been debated. Although the multi-site closure theory is much cited in clinical literature, single-site closure is most apparent in literature concerning embryology. Inspired by Victor Hamburgers (1900-2001) statement that "our real teacher has been and still is the embryo, who is, incidentally, the only teacher who is always right", we decided to critically review both theories of neural tube closure. To verify the theories of closure, we studied serial histological sections of 10 mouse embryos between 8.5 and 9.5 days of gestation and 18 human embryos of the Carnegie collection between Carnegie stage 9 (19-21 days) and 13 (28-32 days). Neural tube closure was histologically defined by the neuroepithelial remodeling of the two adjoining neural fold tips in the midline. We did not observe multiple fusion sites in neither mouse nor human embryos. A meta-analysis of case reports on neural tube defects showed that defects can occur at any level of the neural axis. Our data indicate that the human neural tube fuses at a single site and, therefore, we propose to reinstate the single-site closure theory for neural tube closure. We showed that neural tube defects are not restricted to a specific location, thereby refuting the reasoning underlying the multi-site closure theory. Clin. Anat. 30:988-999, 2017. © 2017 Wiley Periodicals, Inc.

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“…So, as the scalp is present in Acalvaria, we cannot conclude in that diagnosis in our case. But Hawasli [11] reported a case of acalvaria associated with skin defect which he also named "acrania". Some cases of Acalvaria with skin defect were reported associated with amniotic band syndrome and Angiotensin Converting Enzyme (ACE) intake during the pregnancy [5] [8] [12].…”

Section: Discussionmentioning

confidence: 99%

Bone Defect of the Cranial Vault: Difficulty of the Diagnostic about a Case, and Revew of Literature

Espérance¹,

Landry²,

Olivier³

et al. 2023

OJMN

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The bone defects of the cranial vault encompassed rare malformations including acalvaria, hypocalvaria, acrania, hypocrania, anencephaly and exencephaly. They are also described in some pathological entities such as aplasia cutis congenita of the scalp. We report an unusual case of cephalic malformation which combine defects of the skin, the dura mater, and the bones of the vault, with a malformation of the central nervous system. This unique case emphasizes a problem of nosological definition between the terms mentioned above. acalvaria, the acrania, the hypocalvaria and the aplasia cutis congenita. Thus, herein, we proceed to a literature review of bone defects of the skull and their differential diagnosis.

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Acalvaria

Cited by 8 publications

References 7 publications

Spontaneous Reossification Following Craniectomy in a Pediatric Patient

Spontaneous Reossification Following Craniectomy in a Pediatric Patient

Single‐site neural tube closure in human embryos revisited

Bone Defect of the Cranial Vault: Difficulty of the Diagnostic about a Case, and Revew of Literature

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