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Exocrine Glands: Methods of Secretion

Exocrine Glands: Methods of Secretion

Exocrine glands are those that release their secretions through ducts. Based on their mode of secretion, they can be classified into merocrine, apocrine, and holocrine.
Merocrine Secretion
Merocrine secretion is the most common type of exocrine secretion. The secretions are enclosed in vesicles and moved to the cell's apical surface, where the contents are released by exocytosis. For example, mucous, a watery secretion rich in the glycoprotein mucin, is a merocrine secretion. The eccrine glands...

Exocrine Glands: Unicellular and Multicellular Glands

Exocrine Glands: Unicellular and Multicellular Glands

Exocrine glands are classified as unicellular and multicellular. The unicellular glands are scattered single cells, such as goblet cells, found in the mucous membranes of the small and large intestines. On the other hand, multicellular exocrine glands develop as secretory sheets, like the internal lining of the abdomen or chest. Such secretory sheets release their secretions directly into the lumen of these organs. In addition, some multicellular glands have deep-seated secretory units to...

Acne Infection

Acne Infection

Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...

Cirrhosis I: Introduction

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Cushing Syndrome I: Introduction

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Classification of Epithelial Tissues: Glandular Epithelium

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Multicellular glands are formed during early development when epithelial budding...

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Multiple apocrine hidrocystomas: a confusing clinical diagnosis.

Shyam B Verma¹

¹International Society of Dermatology, India. skindiaverma@gmail.com <skindiaverma@gmail.com>

Anais Brasileiros De Dermatologia

|June 4, 2010

Summary

This case report details multiple apocrine hidrocystomas, benign skin cysts that worsen in summer. Diagnosis was confirmed via biopsy, and treatment options were discussed, though the patient opted for no intervention.

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Area of Science:

Dermatology
Histopathology

Background:

Apocrine hidrocystomas are rare, benign cystic tumors originating from apocrine sweat glands.
They typically present as solitary or multiple translucent papules or nodules, often on the face.

Observation:

A 67-year-old female presented with multiple asymptomatic, translucent, papulocystic facial lesions exacerbated by summer heat.
Biopsy revealed cystic cavities lined by cuboidal epithelium exhibiting apocrine differentiation with decapitation secretion.

Findings:

Histopathological examination confirmed the diagnosis of multiple apocrine hidrocystomas.
The characteristic features included cystic structures and evidence of apocrine secretion.

Implications:

This case highlights the clinical and histological presentation of apocrine hidrocystomas.
Management options include surgical excision, laser therapy, or topical anticholinergics, though conservative management may be chosen for benign lesions.