Define the following terms, provide an image of an example, and identify one condition where each may occur:

Define the following terms, provide an image of an example, and identify one condition where each may occur:

Macule

Papule

Nodule

Pustule

Vesicle

Plaque

A-2: Define the following terms, provide an image of an example, and identify one condition where each may occur:

Crust

Lichenification

Keloid

Fissure

Ulcer

Erosion

Comedone

A-3: Describe the typical lesions of atopic dermatitis. Where are these located in infants? What about adults? Identify three ways these lesions can be managed to help return the skin to homeostasis.

A-4: Impetigo and herpes simplex are common skin disorders and can have a similar dermatologic presentation. Describe the etiology of each condition. Explain one classic identifying feature for each condition, and discuss how they can be differentiated from one another.

A-5: Tinea corporis and scabies are common skin disorders and can have a similar dermatologic presentation. Describe the etiology of each condition. Explain one classic identifying feature for each condition, and discuss how they can be differentiated from one another.

A-6: Explain why squamous cell carcinoma has a better prognosis than malignant melanoma. Identify three characteristics of malignant changes in a skin lesion as well as four warning signs of skin cancer.

A-7: Describe what a keratosis is, and give two specific examples. For each example, discuss the following: presentation/appearance, etiology, prevention. What is the most common complication from these lesions?

Week 5 Discussion 1: Question-Based Discussion—Team B (Normal Skin/Lymph)

B-1: Describe the basic path of the lymphatic circulation. You may use a visual aid to assist you.

B-2: Describe the normal functions of the lymph nodes, the thymus gland, the tonsils, and the spleen. What happens when each does not function normally and moves away from homeostasis?

B-3: Explain three ways the skin acts as a defense mechanism. For each of these, identify one condition that develops when this defense mechanism fails.

B-4: Where are resident or normal skin flora located related to the skin and its appendages? Identify three normal skin flora and discuss their importance to homeostasis.

B-5: It is well known that handwashing is critical to preventing the spread of infection. Explain how excessive handwashing may in some cases increase the potential for a bacterial skin infection. Give two examples where this might occur.

B-6: Describe the role of sebaceous glands and eccrine glands in maintaining homeostasis within the dermatologic system. For each of these, identify one condition that develops when homeostasis is not maintained.

B-7: Describe the structure of a hair follicle, including any gland associated with it. How do these glands promote homeostasis? What conditions can develop when homeostasis is not maintained.

Week 5 Discussion 1: Question-Based Discussion—Team C (Lymph Disorders)

C-1: Compare and contrast Hodgkin and non-Hodgkin lymphomas based on pathophysiology, signs and symptoms, diagnosis, and treatments.

C-2: Explain why infections occur frequently in patients with lymphomas. Is this true for patients with other lymph disorders?

C-3: Describe the prognoses for a person with a stage I and stage IV Hodgkin lymphoma. Use rationale to explain your reasoning. How would you explain this to a patient/family?

C-4: Outline the conditions of Hodgkin’s lymphoma at each of the four stages as defined by the Ann Arbor staging system.

C-5: Describe the condition of lymphedema. Discuss the etiology, pathophysiology, signs, symptoms, and strategies to return to homeostasis.

C-6: Describe the condition of multiple myeloma. Discuss the etiology, pathophysiology, signs, symptoms, and strategies to return to homeostasis.

C-7: Describe the condition of Castleman disease. Discuss the etiology, pathophysiology, signs, symptoms, and strategies to return to homeostasis.

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