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PubMed2005

[Sarcoidosis (after cosmetic intervention)].

The authors' report a case of a 26-year-old female. In 1996, and 1997 she underwent cosmetic lip augmentations (polymethyl methacrylate and silicone). After a six-year symptom free period sudden swelling of the lips developed and red-brown papules and subcutaneous nodules appeared in the scars of various body parts ( permanent make-up, tattoos, umbilical piercing). The clinical features, radiological signs and histology proved the diagnosis of systemic sarcoidosis. Systemic corticosteroid treatment was introduced. After 4 months of treatment the pulmonary and clinical symptoms showed regression. To be able to suspend the systemic treatment the silicone implant was removed.

Adult↗
PubMedDate not supplied

Appearance and culture: oral pathology associated with certain "fashions" (tattoos, piercings, etc.).

Humans are characterized by a compulsive tendency to distinguish themselves from the rest: differences in clothes, hairstyle or "decorative" details are used to this effect, based on highly diverse criteria. Such differentiating practices may be aimed at identification with a certain ideological group, for example, or with a concrete "fashion", and involve the use of jewelry, clothes, unusual attire, hairstyles, mutilations, etc. In this context, the present review addresses certain aspects of mutilation practices from both the general and specifically dental perspectives. Mutations imply permanent or lasting sectioning or lesions of a part of the body, and comprise skeletal deforming, dental mutilations, circumcision, ablation of the clitoris, scarification, tattoos, and perforations (particularly of the soft tissues). In this sense, tattoos and perforations or piercings are popular -- particularly among adolescents. This trend may be interpreted as a form of communication, identity expression, or as a type of body cult (i.e., so-called "body art"). Such mutilating practices reflect different motivations including fashion, rebelliousness, differentiation, sexual motives, the remembering of events, physical sensations, and ethnic or tribal influences. However, these practices can cause complications such as infections, laceration and soft and hard tissue damage, hypersensitivity reactions and other alterations of variable severity. Under these premises, questions are raised concerning the competence of those who perform these mutilations, the preventive measures adopted, and the legal conditions under which tattoos and piercings are made in our society.

Adolescent↗
PubMed2000

Anatomy of the neurovascular bundle: is safe mobilization possible?

PURPOSE: We have previously defined the anatomy of the neurovascular bundle in the normal and hypospadiac penis. Historical experience suggests that mobilization of the neurovascular bundle is anatomically possible. We attempt to prove whether mobilization of the neurovascular bundle is safe and theoretically sound. Specific questions that will be addressed are does the neurovascular bundle send perforating branches into the corporal bodies; how far lateral does the dissection need to be before nerves are injured and exactly how deep into Buck's fascia must one go. MATERIALS AND METHODS: A total of 35 normal human fetal penile specimens, gestational age 8 to 35 weeks, and 3 hypospadiac specimens, 33 to 41 weeks of gestation, were serially sectioned and stained with Mason's trichrome and the neuronal markers PGP 9.5 or S100. Computer reconstruction using commercial software and National Institutes of Health imaging allowed 3-dimensional analysis of the nerves, corporal bodies and glans. RESULTS: Perforating nerves into the erectile bodies were not documented along the dorsal or lateral aspect of the tunica in any of the specimens studied. Only in the area of the crural bodies on the ventral lateral surface were nerves noted to pierce into erectile tissue. The neural network was extensive from the 11 and 1 to the 5 and 7 o'clock positions corresponding to the erectile tissue and urethral spongiosum junction. At this junction minor nerve branches were noted to perforate into the urethral spongiosum. A microscopic plane exists between the neurovascular bundle and tunica of the corporal bodies measuring 20 to 30 micro. in specimens greater than 30 weeks in gestation. CONCLUSIONS: Perforating branches from the dorsal lateral neurovascular bundle do not exist based on serial step sectioning and microscopic examination of male genital specimens. Surgically it is possible to elevate the neurovascular bundle but the dissection needs to remain directly on top of the tunica albuginea to prevent neuronal injury. Small perforating branches into the urethral spongiosum may be injured with unknown significance. We continue to advocate plication in the nerve-free zone at the 12 o'clock position for correction of penile curvature.

Fetus↗
PubMed2002

Anatomical study of lumbar spine innervation.

To precisely evaluate low back pain, identification of the detailed innervation of the lumbar spine is necessary. On twenty-five sides of adult cadavers we investigated various patterns of rami communicantes (RC) and their relationship to the psoas major muscle (PM). In ten sides, we focused our dissection on the minute nerve supply of the anterior (ALL) and posterior longitudinal ligaments (PLL), vertebral bodies and the intervertebral discs (IVD). According to the mode of piercing PM, two types of RC were observed: superficial oblique rami (SOR) and deep transverse rami (DTR). SOR ran obliquely between superficial heads of PM, connecting sympathetic trunk (ST) and T12-L2 (3) spinal nerves non-segmentally. DTR ran segmentally close to the vertebral bodies and were situated deep to the PM slips. On the lateral side of the lumbar spine, the vertebral bodies and IVD received branches from DTR and ventral rami segmentally, as well as branches from the sympathetic trunk (ST) and, in the upper lumbar region, SOR non-segmentally. On the anterior aspect of the lumbar spine, ALL received branches from ST and splanchnic nerves non-segmentally. Within the vertebral canal, the posterior aspect of IVD and PLL received the sinu-vertebral nerves originating from DTR. These findings suggest the coexistence of two different types of innervation: one originating directly from the spinal nerve segmentally, and one reaching vertebral structures via the sympathetic nerves non-segmentally. Therefore, sympathetic nerves are likely involved in the proprioception of the spinal column.

Aged↗
PubMed1989

Neuroanatomy of the pelvis in an infant with cloacal exstrophy: a detailed microdissection with histology.

The internal anatomy of the pelvis in the patient with cloacal exstrophy has not been described in detail previously. We present in detail the pelvic anatomical relationships of a patient with cloacal exstrophy who died 72 days after birth and whose body subsequently was perfused with a formalin-based anatomical fluid. Microdissection of the pelvis with histological confirmation of the identity of structures dissected was performed. The vascular supply to the urinary hemibladders arises from the internal iliac arteries, which pass along the lateral portion of the pelvis and enter each hemibladder. The autonomic innervation to the bladder and corporeal bodies arises from a pelvic plexus that lies on the anterior surface of the sacrum. The innervation to the hemibladders then travels in the midline along the posteroinferior surface of the pelvis before extending laterally to communicate with each hemibladder. Autonomic innervation to the duplicated corporeal bodies arises from the sacral pelvic plexus and travels in the midline to pierce the inferior portion of the pelvic floor posterior and medial to the hemibladders. These nerves then enter the crural region of the corpora. Sensory innervation to the corporeal bodies arises from the sacral trunk and passes posterior to the pelvic floor muscles, traveling just medial to the widely separated ischial spines and then laterally along the corporeal bodies. Illustrations of the anatomy and implications for management of the exstrophy patient are presented.

Abnormalities, Multiple↗
PubMed2001

Brain phagocytes may empty tissue debris into capillaries.

The possibility that brain phagocytes may empty remnants of degenerated neurons into capillaries has been studied in frogs. Degeneration of nerve fibers was brought about by transectioning the optic tract, the tectothalamic and tectoisthmic tracts, the postoptic commissure or the radial nerve. To help identification of phagocytozed degenerated neuronal elements, the transected fibers were filled either with horseradish peroxidase (HRP) or cobaltous-lysine complex. The survival times were 3, 4, 7, 27, 47 and 70 days after the application of the markers. The HRP-labeled structures were identified in 60 microm thick sections using diaminobenzidine as chromogen, while cobalt was precipitated in the form of cobaltous sulfide. Small pieces of these sections were further processed for electron microscopy. In each area of the brain and spinal cord investigated, microglial cells and astrocytic processes containing fragments of degenerated neuronal elements could be seen close to capillaries. In some cases a microglial or astrocytic process pierced the capillary basal lamina and seemingly delivered inclusion bodies into the cytoplasm of capillary endothelial cells and pericytes. In the inclusion bodies, which were usually large vesicles, fragments of HRP or cobalt-labeled or unlabeled membranes with a foamy appearance, or condensed myelin lamellae could be observed. These vesicles protruded the luminal membrane of the endothelial cell that was disrupted in some cases suggesting that the content of the inclusion body was discharged into the lumen of the capillary. These results give support to Penfield's hypothesis (1925) that glial cells may empty phagocytozed materials into capillaries.

Animals↗
PubMed2006

Traumatic insemination in the plant bug genus Coridromius Signoret (Heteroptera: Miridae).

In traumatic insemination, males pierce females with hypodermic genitalia and ejaculate into the body cavity rather than into the genital tract. This has resulted in the evolution of female counter-adaptations in the form of paragenitalia to reduce the direct physical costs of mating. While rare in the animal kingdom, traumatic insemination is oddly prevalent in the true bug infraorder Cimicomorpha (Heteroptera), where it occurs in six families and is thought to have arisen twice. Here, we report the discovery of traumatic insemination and elaborate paragenital development in the plant bug genus Coridromius (Miridae), representing a third, independent emergence of traumatic insemination in this infraorder.

Animals↗
PubMed1999

Plasma carotenoids are biomarkers of long-term high vegetable intake in women with breast cancer.

We investigated predictors of change in plasma carotenoids from baseline to 3 y and examined plasma carotenoid concentrations at 1 and 3 y in response to a high vegetable diet. Participants were 56 women diagnosed with breast cancer and enrolled in a randomized feasibility study for a trial examining the effect of a diet high in vegetables and fruits on the risk of breast cancer recurrence. Independent t test analysis revealed that the intervention group had significantly higher vegetable and fruit servings and fiber at 12 mo and significantly higher vegetable servings at 36 mo compared with the control group (P < 0.05). Energy intake from fat was significantly lower in the intervention group at 12 and 36 mo. The intervention group had significantly higher consumption of beta-carotene, alpha-carotene, lutein and beta-cryptoxanthin at 12 mo (P < 0.05). beta-Carotene, alpha-carotene and lutein intakes also were significantly higher at 36 mo (P < 0.05). At 36 mo, the intervention group had significantly higher plasma concentrations of alpha-carotene and beta-carotene compared with the control group. Repeated-measures ANOVA revealed that the intervention group had significantly increased (P < 0.05 with Bonferroni correction) plasma beta-carotene, alpha-carotene, lutein and lycopene concentrations at 12 and 36 mo compared with baseline. Baseline carotenoid concentrations were significantly inversely predictive (P < 0.05) of plasma carotenoid change. In addition, change in body mass index (BMI) and plasma cholesterol concentrations were predictive of plasma carotenoid change from baseline to 3 y. Results of this study demonstrate that change in plasma carotenoid concentrations is associated with change in BMI, change in plasma cholesterol and baseline carotenoid concentrations. Plasma carotenoid response can be an indicator of long-term high vegetable intake for women at risk of breast cancer recurrence.

Adolescent↗
PubMedDate not supplied

Alcohol-induced microencephaly during the third trimester equivalent: relationship to dose and blood alcohol concentration.

Alcohol was administered in different doses to groups of neonatal rat pups from postnatal days 4-10 using an artificial rearing technique. Blood alcohol concentrations (BACs) were monitored in pups on postnatal day 6. Brain weights were measured on postnatal day 10 and the extent of microencephaly was correlated with dose and BAC. Doses of 7.4 g/kg/day and above resulted in microencephaly. Although BACs varied considerably among individual animals at each dose tested, the amount of microencephaly increased with the BAC, and the amount of brain growth reduction was more dependent on BAC than dose. The BAC threshold for producing microencephaly was between 140 and 197 mg/dl. Deficits in the brain weight to body weight ratio ranged from 14% to 25% as BACs increased to approximately 280 mg/dl. Higher BACs did not produce significantly more microencephaly, although BACs above 425 mg/dl were lethal. Sex-related differences were also examined. There were significant differences in the brain weights and the BACs between males and females of the same dose groups. These data indicate that increasing the amount of alcohol during the third trimester equivalent increases the amount of microencephaly. However, BAC is a better predictor than dose of the adverse affects of alcohol on brain growth.

Animals↗
PubMed1984

Embedded foreign bodies presenting as earlobe keloids.

We present a case report of a young woman who developed earlobe nodules subsequent to the piercing of her ears. Clinically the nodules appeared to be keloids. Surgical intervention demonstrated the nodules to consist of the embedded backings of her pierced earrings.

Adolescent↗
PubMed1999

A population-based survey of hospitalized work-related ocular injury: diagnoses, cause of injury, resource utilization, and hospitalization outcome.

Occupational injury is a major source of ocular trauma and is often preventable. A statewide population-based survey of severe work-related ocular injury was generated by using the California Hospital discharge database to identify hospitalized ocular injury and workers compensation as principal payor to identify work-relatedness. Information concerning diagnoses, procedures, causes of injury, length of hospital stay, total hospital charges and disposition at hospital discharge were obtained for injuries occurring during the calendar year 1988. A total of 455 admissions for work-related ocular trauma were identified. The most common work-related ocular trauma diagnoses associated with hospitalizations were open globe injury (46%), adnexal wounds (20%), orbital fractures (11%), and traumatic hyphema (11%). The most common causes of work-related ocular trauma were foreign-body or projectile objects (19%), transport vehicles (18%), cutting or piercing objects (17%), and assaults (9%). Approximately 8% reported other than routine disposition at time of hospital discharge, including long-term nursing or rehabilitation services and death. Mean hospital stay when ocular trauma was the principal admitting diagnosis was 3.7 days. Results differed significantly for admissions reporting ocular trauma as the principal admitting diagnosis compared to admissions that did not. Hospitalized work-related ocular trauma is represented by a wide spectrum of injuries with substantial morbidity and economic costs. Projected to the United States population, these data indicate annual hospital charges excluding professional fees of $14.6 million when work-related ocular trauma is the principal admitting diagnosis and $40 million for admissions where ocular trauma is either a principal or secondary diagnosis.

California↗