Submandibular gland capillary hemangioma: The first reported infantile case

Many studies previously have shown that the B-adrenergic agonist isoproterenol and the a-adrenergic agonist norepinephrine will stimulate secretion by the adult rat submandibular (SMG) and parotid glands. Recent data from several laboratories indicates that adrenergic agonists bind to specific receptors on the secretory cell surface and stimulate membrane associated adenylate cyclase activity which generates cyclic AMP. The production of cyclic AMP apparently initiates a cascade of events which culminates in exocytosis. During recent studies in our laboratory it was observed that the adenylate cyclase activity in plasma membrane fractions derived from the prenatal and early neonatal rat submandibular gland was retractile to stimulation by isoproterenol but was stimulated by norepinephrine. In addition, in vitro secretion studies indicated that these prenatal and neonatal glands would not secrete peroxidase in response to isoproterenol but would secrete in response to norepinephrine. In contrast to these in vitro observations, it has been shown that the injection of isoproterenol into the living newborn rat results in secretion of peroxidase by the SMG (1).

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Biogenesis of Catalase-Positive Rods in Excretory Duct Cells of Salivary Glands

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100090294 ◽

1976 ◽

Vol 34 ◽

pp. 62-63

Author(s):

Dwight K. Romanovicz ◽

Jacob S. Hanker

Keyword(s):

Light Microscopy ◽

Salivary Glands ◽

Submandibular Gland ◽

Excretory Duct ◽

Exocrine Glands ◽

Duct Cells ◽

Peroxidatic Activity ◽

Microscopic Studies ◽

Different Dimensions

The presence of catalase-positive rods (Fig. 1) of different dimensions, which frequently have a crystalline appearance by light microscopy, has been reported. They seem to be related to peroxisomes which were characterized morphologically and cytochemically in parotid and other exocrine glands of the rat by Hand in 1973. Our light microscopic studies of these spherical microbodies and rods of different sizes, stained by virtue of the peroxidatic activity of their catalase, indicate that they are almost entirely confined to the cells of the striated and execretory ducts of the submandibular gland in the mouse. The rods were usually noted only in the proximity of the ductal microbodies. The latter frequently showed a tendency to appear in linear close array, or even to be contiguous (Fig. 2). This suggested that the rods could be formed by the fusion of microbodies.

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L-Arginine/Nitric Oxide Pathway and Interaction with Lead Acetate on Rat Submandibular Gland Function

Pharmacology & Toxicology ◽

10.1034/j.1600-0773.2000.d01-74.x ◽

2000 ◽

Vol 87 (5) ◽

pp. 198-203 ◽

Cited By ~ 19

Author(s):

Mohammad Abdollahi ◽

Ahmadreza Dehpour ◽

Fatemeh Shafayee

Keyword(s):

Nitric Oxide ◽

Submandibular Gland ◽

Lead Acetate ◽

Gland Function ◽

Rat Submandibular Gland ◽

Nitric Oxide Pathway

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Lobular Capillary Hemangioma of Skin and Subcutaneous Tissue

10.32388/fcgfwe ◽

2020 ◽

Author(s):

Keyword(s):

Subcutaneous Tissue ◽

Capillary Hemangioma ◽

Lobular Capillary Hemangioma

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Role of fine needle aspiration cytology in the preoperative diagnosis of malignancy in parotid and submandibular gland neoplasm

Bangladesh Journal of Otorhinolaryngology ◽

10.3329/bjo.v19i2.17634 ◽

2014 ◽

Vol 19 (2) ◽

pp. 110-118

Author(s):

Mohammad Amzad Hossain ◽

Md Zahedul Alam ◽

Md Rojibul Haque ◽

Md Nazmul Haque ◽

KM Nurul Alam ◽

...

Keyword(s):

Submandibular Gland ◽

Fine Needle Aspiration ◽

Fine Needle Aspiration Cytology ◽

False Negative ◽

Needle Aspiration ◽

Aspiration Cytology ◽

Fine Needle ◽

Medical College ◽

Preoperative Diagnostic ◽

Needle Aspiration Cytology

Objective: To evaluate the role of Fine Needle Aspiration Cytology in the preoperative diagnosis of malignancy in parotid and submandibular gland neoplasm. Methods: This cross sectional study on 50 cases was conducted in the Department of Otolaryngology and Head-Neck Surgery of Sir Salimullah Medical College Mitford Hospital and Dhaka Medical College Hospital from January2009 to June 2010. Results: Fine needle aspiration cytology findings of our all 50 cases were compared with postoperative histopathological reports. Out of the 50 cases, in 36(72%) cases of benign neoplasm and 7(14%) cases of malignant neoplasm, pre-operative FNAC findings and post operative histopathological findings were same. In 7 cases, FNAC and post operative histopathological findings did not matched. These were 2 (4%) false positive and 5 (10%) false negative result.In our study sensitivity of FNAC for reporting malignancy was 58.33%, specificity to rule out malignancy was 94.73% and overall accuracy in detecting malignant tumour was 86%. Positive predictive value and negative value were 77.77% and 87.80% respectively. It can be concluded that fine needle aspiration cytology is a safe, cheap and useful preoperative diagnostic tool in the diagnosis of malignancy in parotid and submandibular gland, but as fine needle aspiration cytology partly depends on operator skill, it may give false negative and false positive result. Conclusion: FNAC is a useful preoperative diagnostic tool for malignant parotid and submandibular glands with high specificity and sensitivity. DOI: http://dx.doi.org/10.3329/bjo.v19i2.17634 Bangladesh J Otorhinolaryngol 2013; 19(2): 110-118

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